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Page last updated at 13:32 GMT, Tuesday, 24 January 2012

Australian Open 2012 day nine as it happened

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By Aimee Lewis

1328: A gripping conclusion to a fine day of tennis. There will be more of the same on Wednesday, I'm sure, as Petra Kvitova kicks off proceedings, followed by Maria Sharapova and a certain Andy Murray. The Briton should take to the court against Kei Nishikori at around 0300 GMT so join Mike Henson for that match. To make sure you plan your day correctly have a look at Wednesday's order of play. Thanks for your contributions. Adios for now.

Twitter
Stephen Colville on Twitter: "With matches like this, I don't want the Australian Open to ever end."

Twitter
Jimoh Temitope on Twitter: "In 2009, Nadal played 5hrs against Verdasco & the 2nd day he played 4hrs against Federer and won. Just saying, anything can happen."

1313: "Credit to Berdych, but Rafa was outstanding," says Britain's Ross Hutchins on 5 live as the Spaniard battles through for a semi-final showdown against Roger Federer. It's the match you all wanted by the sounds of it. Berdych hit 66 winners during that enticing encounter, but it still wasn't enough against one of the finest players to have graced the game.


Twitter
Dom Breslin on Twitter: "Thursday's Clash of the titans is ON! Roger Federer vs Rafael Nadal. This is why we love Tennis!"

1306: Nadal changes his top and throws a couple of towels to his fans before heading for the post-match interview. "I try my best at every moment," he says, looking quite fresh considering he's been on court for four hours and 16 minutes. "I started returning inside the court, just trying to find a solution because in the first two sets I didn't have a lot of chances. [I feel] tired, but hopefully fine. I resisted very well in the third and fourth sets after three hours of intense battle. I'm very happy with the way I finished my match physically."

The match is over
RAFAEL NADAL BEATS TOMAS BERDYCH 6-7 (5-7) 7-6 (8-6) 6-4 6-3

*Nadal 6-7 (5-7) 7-6 (8-6) 6-4 6-3 Berdych
Berdych serving to stay in the match... Nadal dances to the net for a dinking volley - deafening cheers from the fans for that one - and Bredych places a forehand into the net to gift Nadal three match points. And he wins at the first opportunity when Berdych can only just get a racquet on a venomous driving forehand.
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Nadal 6-7 (5-7) 7-6 (8-6) 6-4 5-3 *Berdych
Nadal is dragging his opponent hither and tither, which forces Berdych to come to the net and error. The iron-wristed Nadal, hoping for an 11th Grand Slam title, aims a menacing serve into Berdych's ribcage, which opens up the court and allows him to hit a trademark winner for 40-15. He then goes on to hold when Berdych can only find the net.
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*Nadal 6-7 (5-7) 7-6 (8-6) 6-4 4-3 Berdych
Nadal, leaping off the ground and swinging from the hips, takes a Berdych serve early for break point, but the 26-year-old cranks out another booming serve, although it's only a temporary reprieve as a Nadal croscourt winner leaves a hapless Berdych looking on in admiration and facing another break point. Berdych stays strong, though, with Nadal lashing a return wide and an ace gets him out of trouble.
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Nadal 6-7 (5-7) 7-6 (8-6) 6-4 4-2 *Berdych
Beautiful volley from Berdych for 0-15, which received 10 out of 10 for style from me. Nadal, sweating like a racehorse, looks a little tense as his rival ratchets two break points thanks to a sizzling winner. A dipping forehand saves one break point and the top spin once again used to good effect as the Spaniard takes the game to deuce. With the match approaching the four-hour mark, Nadal races to the net at breakneck speed and sweetly puts away a volley to hold.
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*Nadal 6-7 (5-7) 7-6 (8-6) 6-4 3-2 Berdych
The duo battle it out from the baseline, with Nadal coming out on top of that particular rally with a whizzing winner into the corner for 15-30. A bedraggled Berdych is forced to deuce after another masterful winner down the line from Nadal and the beanpole Czech needlessly double faults to give Nadal break point. The Czech slows the pace of the first serve and the tactic pays dividends as danger is averted. But Nadal the warrior soon earns a second break point, which Berdych yet again saves. A topsy-turvy marathon game reaches a conclusion when Nadal sends a simple-looking volley long. A brave effort from Berdych.
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Twitter
Stephen Jackson on Twitter: "Nadal just showing the true grit of a champion here, delivering the goods when needed and stepping up his game when essential."

Nadal 6-7 (5-7) 7-6 (8-6) 6-4 3-1 *Berdych
Nadal's longest match at the Australian Open was his semi-final victory over Fernando Verdasco in 2009, which finished after a gruelling five hours and 14 minutes. Seems unlikely that we'll surpass that today as Nadal has a vice-like grip on this set, maintaining his advantage with a flawless service game.
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*Nadal 6-7 (5-7) 7-6 (8-6) 6-4 2-1 Berdych
"This is a classy game from Berdych," so they say in the 5 live commentary box and I can't argue with that as Berdych holds to love, with the clock showing that three hours and 30 minutes have elapsed in this match.
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Twitter
Jamie A Kirkwood on Twitter: "Nadal has again shown us how magical he can be in this match...."

Nadal 6-7 (5-7) 7-6 (8-6) 6-4 2-0 *Berdych
Seatbelts on, folks. Nadal is now at full throttle and the 2009 Aussie champion comfortably holds.
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*Nadal 6-7 (5-7) 7-6 (8-6) 6-4 1-0 Berdych
The Czech is creaking like an old ship as a double fault gifts Nadal two break points. The second seed goes for the kill and breaks with forehand pass down the line.
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Nadal 6-7 (5-7) 7-6 (8-6) 6-4 *Berdych
Here we are then, Nadal looking to move to within a set of a semi-final spot against his old nemesis Federer. An swinging ace down the middle gets the better of the seventh seed and the Spaniard wrong-foots his opponent, making him look laden of foot when attempting a volley from the middle of the court. A splendid overhead smash wraps up the set and the impressive Spaniard celebrates with a stentorian roar.
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*Nadal 6-7 (5-7) 7-6 (8-6) 5-4 Berdych
Nadal is bullying Berdych from the baseline and a nervous-looking backhand volley from the Czech drifts miles wide for deuce. Nadal squanders set point, though, and two booming serves forces Nadal to serve for the set. You're just about still in the set, Tommy. I wonder if it's ok for me to call him Tommy... Nevermind.
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Nadal 6-7 (5-7) 7-6 (8-6) 5-3 *Berdych
An outstanding service game from Nadal - illuminated by a backhand volley at the net - with Berdych not troubling the scoreboard. He's one game away from taking the set.
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*Nadal 6-7 (5-7) 7-6 (8-6) 4-3 Berdych
Nadal, you sense, has his prey in sight, but Berdych keeps him at bay. For now.
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Nadal 6-7 (5-7) 7-6 (8-6) 4-2 *Berdych
It's muggy out there on Rod Laver. Nadal needs to wipe away beads of sweat, before launching down a tricky serve which has Berdych on the back foot from the off and the Czech fails to recover, finding the tramlines to hand Nadal the game.
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*Nadal 6-7 (5-7) 7-6 (8-6) 3-2 Berdych
Berdych misses an enticing volley at the net, then a cross court winner from Rafa nudges the former Aussie champ to 15-30. A despairing Nadal raises his hands to his head after a wild forehand drops long, although he makes amends by finding the line by a whisker to take the game to deuce. Nadal has break point when Berdych's forehand on the run sails long and wraps up the break when Berdych, with the court at his mercy, can only find the net.
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Nadal 6-7 (5-7) 7-6 (8-6) 2-2 *Berdych
The match is approaching three hours and, if he's still awake, Federer is probably gleefully watching proceedings as the winner of this intriguing tussle will surely take a while to recover. Nadal's serve wobbles, but he steadies the nerves with an ace down the middle, his fifth of the match.
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Twitter
Mark Eastwood on Twitter: "Much as I love Nadal, there has been a real lack of upsets this year we are due one."

*Nadal 6-7 (5-7) 7-6 (8-6) 1-2 Berdych
It's tit-for-tat as Berdych gifts Nadal three break points and the Spaniard pounces on a pedestrian serve to squeeze a winner beyond the Czech's 6ft 5in frame.
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Nadal 6-7 (5-7) 7-6 (8-6) 0-2 *Berdych
A match worthy of gracing one of sport's finest amphitheatres. Nadal is in trouble as Berdych earns three break points thanks to a trio of devilishly good returns. The Spaniard saves one, but can do little to prevent the Czech from taking the initiative.
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*Nadal 6-7 (5-7) 7-6 (8-6) 0-1 Berdych
Losing the second set does not seem to have affected Berdych as he holds. Simple.
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Twitter
Harvey Bradley on Twitter: "Match of the tournament so far."

Nadal 6-7 (5-7) 7-6 (8-6) *Berdych
Berdych is bravely attacking - which perhaps accounts for his high error count - but two further Berdych errors gives Nadal some breathing space and coach Tony is on his feet, encouraging his nephew. It does little to help Nadal, though, as a fine crosscourt winner from the Berdych racquet negates Nadal's advantage and the tie-break back on serve at 4-4. The Czech, confidence oozing from his every pore, cleverly earns set point but squanders the chance by pushing a volley into the tramlines. And a change of ends benefits Nadal as he brings a marathon set to its conclusion, winning the tie-break when Berdych hits beyond the baseline.
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*Nadal 6-7 (5-7) 6-6 Berdych
A grimmacing Nadal punches the air in frustration after missing an opportunity to go 30-15 ahead, but the man from Mallorca seizes the next chance, with a fine passing shot beyond the onrushing Berdych, before a double fault gifts the Spaniard set point. Berdych saves, though, and wriggles free to take the set to a tie-break.
*Denotes next server

Twitter
Jarleth Eaton on Twitter: "Even if Nadal suddenly comes through this, Federer's path to the #AusOpen is basically secure. Number 17 on the way."

Nadal 6-7 (5-7) 6-5 *Berdych
Nadal looks pensive, but then again he always does, I guess. The Spaniard, using plenty of top spin, dashes to the net and produces a sweet volley for 40-15 and unleashes a trademark serve to the wings to hold. Interesting times ahead.
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*Nadal 6-7 (5-7) 5-5 Berdych
An out-of-sorts Nadal is being bossed around the court by the Czech, who has admirably battled back from 5-2 down in this set, convincingly winning that service game to love.
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Nadal 6-7 (5-7) 5-4 *Berdych
Hang on, Berdych has two break-back points after the second seed uncharacteristically hits a host of sloppy points. Can Berdych bully himself back into this second set? Er... Nadal successfully challenges what appears to be a forehand winner from Berdych. A wry grin from the Czech, maybe because he knew he'd win the second break-back point by tapping away a volley into the open court. Game on.
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*Nadal 6-7 (5-7) 5-3 Berdych
A few gremlins slowing this live feed down, I'm afraid, but there's no stopping Berdych at the moment as he completes another service game to hold.
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Nadal 6-7 (5-7) 5-2 *Berdych
It's looking good for Nadal as he comfortably holds and now Berdych must serve to stay in this set.
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*Nadal 6-7 (5-7) 4-2 Berdych
"Anything you can do, Mr Nadal, I can do better," says Berdych, or at least that's what I think he says, as he wraps that game to love.
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Twitter
Safwan Hafez on Twitter: "Nadal's awesome forehand is taking over this match now. No way back for Berdych if Nadal wins the second set."

Nadal 6-7 (5-7) 4-1 *Berdych
What's this? Do my eyes deceive me? Nadal serves and volleys for 30-0 and holds, ending that game with a howitzer of an ace.
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*Nadal 6-7 (5-7) 3-1 Berdych
Shot of the day! (Possibly.) Nadal has exploded out of the blocks and passes Berdych with a thunderous winner, which finds the line by the slenderest of margins. Another big forehand winner - Berdych unsuccessfully challenges - earns the Spaniard break point and the second seed wildly celebrates when he secures the early break with a volley as cute as a litter of kittens.
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Nadal 6-7 (5-7) 2-1 *Berdych
Berdych, who is hoping to reach the semi-finals in Melbourne for the first time, is proving to be an obdurate opponent. Nadal has moved up a few gears, but Berdych is still producing mesmerizing winners from his bag of tricks. The Spaniard, though mixes it up nicely by coming to the net and eventually holds when the Czech's return trickles to the tape.
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*Nadal 6-7 (5-7) 1-1 Berdych
Nadal explodes into action with a brilliant winner for 30-30, but Berdych responds with an ace into the wing and puts away a forehand down the line for fine hold. Easy.
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Nadal 6-7 (5-7) 1-0 *Berdych
A rattled Nadal soon finds himself having to save two break points, which he does thanks to a Berdych volley into the net and a booming ace. He secures the game, but all does not seem well in Rafa's world.
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Twitter
Jack Emery on Twitter: "Only Nadal would have saved that set point.... Outrageous."

*Nadal 6-7 (5-7) Berdych
The tie-break is with serve when the players change ends at 3-3. An eye-catching smash from Nadal - not as eye-catching as his luminous green shirt, I must add, nudges him ahead and the Spaniard then earns the first point against serve with a looping winner down the line. He liked that, did Rafa. Berdych, though, dispatches Nadal's second serve with ease to restore parity. There's confusion when Nadal stops playing because he wants to challenge, but he's told he's waited too long and the umpire won't overrule Berdych's winner. The Czech goes on to wrap up the tie-break with a classy ace. A furious Rafa exchanges a few words in Spanish with the umpire, but there's nothing that can be done and he's dropped a set for the first time in this tournament.
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Nadal 6-6 *Berdych
Blimey, Berdych summons the strength of three bears - no, make that four - to hit a walloping passing shot beyond Nadal. The Spaniard is again helpless as two Berdych winners earns the Czech three set points. The towering Czech plonks a forehand into the middle of the net. One set point saved! Berdych is on the attack... Nadal defending stoutly before he races to the net to produce a jaw-dropping winner, bringing a 29-shot rally to a spectacular conclusion. The crowd quite rightly applaud that sumptuous play. That's set point number two saved! Nadal, readjusts himself, launches a booming serve to save a third break point. You can see the sweat dripping from Nadal's jaw as the camera focuses on the Spaniard. He saves another set point and comes through to take the match to a tie-break. And breathe....
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*Nadal 5-6 Berdych
Berdych comes to the net and hits a cute volley to ease 40-15 ahead. Nadal then has Berdych running hither and tither, but the Czech comes out on top of that rally when Nadal plops a reply into the net.
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Nadal 5-5 *Berdych
Berdych, dancing on the baseline, eyes glistening with determination, does his best to pressurise the Spaniard but Nadal loses just the one point, bringing the game to an end with a risk-free smash at the net.
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*Nadal 4-5 Berdych
Berdych forces Nadal to serve to stay in the set, completing an easy game with a whizzing serve out wide, which sends Nadal scampering in vain.
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Nadal 4-4 *Berdych
The Spaniard, who for the past two years has lost at this stage in Melbourne, opens with a ripper of a forehand and completes the game to love with a dash to the net for a whipping volley and a thunderous winner down the line.
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Twitter
Stewart Mills on Twitter: "Go on Rafa - I dare you to smack a body shot straight at Berdych in the first game...do it!"

*Nadal 3-4 Berdych
The seventh seed looks comfortably on his own serve at least and in a blink of an eye confidently wins that game.
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Nadal 3-3 *Berdych
Nadal is having to work for every point against the aggressive Berdych, whose attempt to return a venomous Nadal serve into the body is launched into a group of grateful bare-chested men. After that brief respite, the lanky Czech has the Spaniard worried at break point, but Berdych lets the opportunity slip, slapping himself in frustration. With the court at his mercy, Berdych then wildly hits a forehand long at deuce and Rafa wraps up the game from there. Will Berdych get as good an opportunity to break?
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*Nadal 2-3 Berdych
Berdych, clad in a white T-shirt with matching baseball cap and khaki baggy shorts, varies the play, coming to the net to punch a fine volley beyond Nadal before closing the game with an ace - but only after a thunderous winner from Nadal draws gasps of admiration from the vocal crowd.
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Nadal 2-2 *Berdych
Nadal opens the game with a double fault, but he's soon back on level terms with a trademark forehand winner. If Berdych had started running last week he still wouldn't have got his racquet on that. Nadal not yet at his best, but he does enough to hold with Berdych sloppily finding the tramlines.
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Twitter
James Scott on Twitter: "I woke up early to watch Federer play and forgot Nadal was playing as well, I may not be able to stay awake."

*Nadal 1-2 Berdych
Berdych has started well, hitting a sumptuous driving volley into the corner, but Nadal comes back into the game by successfully challenging a call, with replays showing his wristy ping had touched the line. The second seed ratchets two break points, but Berdych's serve comes to his rescue and the Czech holds on.
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Nadal 1-1 *Berdych
Berdych has beaten Nadal just three times in 13 previous meetings, but those three wins did occur on hard courts. A sweet ace from Nadal out to the wings and the stern-looking Spaniard, still with strapping on his right knee, manages to hold, even though seventh seed Berdych did drag himself to 30-all.
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*Nadal 0-1 Berdych
Berdych begins proceedings and wins a fairly comfortable opening game, with Nadal barely troubling him.
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0837: All that is left for me to do before we kick off is to remind you to get in touch with your thoughts. Tweet me @aimee_lou_lewis using the hashtag #BBCTennis or pop over a text on 81111 (UK).

0843: A murmur of discontent from a handful of supporters for Berdych, while Rafael Nadal receives a rousing reception from the near-capacity crowd at Rod Laver Arena. The men are warming-up, before doing battle for a place in the semi-finals against Roger Federer, who imperiously beat Juan Martin Del Potro in his straight sets.

0831: Berdych was jeered by the fans during his post-match interview on Hisense Arena for his refusal to shake hands with opponent Nicolas Almagro following his fourth-round victory over the Spaniard. The Czech later admitted he made a mistake but what kind of reception will he receive from the Melbourne Park faithful? Only a couple of minutes until we find out.

0825: Just when you thought you'd feasted on enough tennis today, up pop Rafael Nadal and Tomas Berdych for an irresistible final course. Good day to you wherever you are. If you could just manually refresh because Mike has gone for a well-deserved snooze.

By Mike Henson

0758: That was all pretty stunning from Federer. Sometimes he seems to have negotiated a relaxation of all those tiresome rules about time and space for himself. Whether he can pull the trick over in another two matches is the question though. Rafael Nadal and Tomas Berdych are up next to decide who Federer plays in the last four. Aimee Lewis will be at the helm for us on that one from just before 0830 GMT. In the meantime have a peruse of tomorrow's order of play. The headline news is that Andy Murray is up on the Rod Laver Arena against Kei Nishikori at 0330 GMT. I will be back tomorrow with the British number one. Bye for now.

Roger Federer: "I'm happy. I thought it was a great match, it was tough with the sun and shade creeping across the court. I thought it was a high-quality match. Del Potro is a quality player and I was able to manoeuvre the ball around the court. I'm happy and I hope I can keep it up."

Federer 6-4 6-3 6-2 Del Potro
No second-set style wobble this time. Federer is merciless in dispatching Del Potro and as the players exchange a matey embrace at the net, they are almost chuckling over the winner's superiority, like it is a force of nature neither of them are to blame for.

The match is over
Latest scores
ROGER FEDERER BEATS JUAN MARTIN DEL POTRO 6-4 6-3 6-2 TO MAKE AUSTRALIAN OPEN SEMI-FINALS

Switzerland
*Federer 6-4 6-3 5-2 Del Potro
Federer's strings seem to be doped with semtex as he generates power to match Delpo with about half the backlift in an exchange of forehands. He finds a killer angle to rein in the world number 11 from 40-30 and then pounces on the first break point he is offered with a kicking backhand. Federer serves for the set and match next.
* denotes NEXT to serve

Federer 6-4 6-3 4-2 Del Potro*
Federer arcs his back to reach up and slam-dunk home a smash as he races on to 30-0. The Swiss looked to have a decent case to challenge a Del Potro winner in the next rally, but it almost like he doesn't want to waste time while he is in such a rich vein of form. His confidence is well founded as he mows through to take the game.
* denotes NEXT to serve

BBC Radio 5 live pundit and former British number one Jeremy Bates: "I don't think I'm surprised (with the way the game is going). I was so impressed with the level Federer played at against Tomic, the way Federer was performing that night was astonishing. Del Potro brings a whole new raft of threats, but there seems to be an inevitability about what's going on. Federer has all the answers. Del Potro now needs to throw caution to the wind because, from the back of the court, he's not able to penetrate through Roger Federer's defences. Something has got to change because, at the moment, it's just one way traffic. Del Potro needs to be more aggressive."

*Federer 6-4 6-3 3-2 Del Potro
A hold to love from Del Potro, the onus is all on him now through. He needs to prise open a chink in that titanium Federer serve sharpish.
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Federer 6-4 6-3 3-1 Del Potro*
Federer's 10th successive point on serve brings up 40-0 and then he comes in behind a slice backhand and watches Delpo's attempt to dig out a lob drift long to make it 11th unanswered points on serve.
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*Federer 6-4 6-3 2-1 Del Potro
No fear. Plenty of dog to Delpo's game still and he keeps Federer subdued long enough to claim his first service game of the third.
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Federer 6-4 6-3 2-0 Del Potro*
Federer holds with ease and this could go south for Delpo very quickly if his spirit and belief fades.
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Switzerland
*Federer 6-4 6-3 1-0 Del Potro
Federer again makes a rip-roaring start to the set as he rips Del Potro's serve straight out of his grasp. The five-time champion is a whisker away at 30-40 as his forehand strays just long with Del Potro totally out of the equation. His aim is true on his second break chance though and a beauty of a backhand pass return, loaded with slice, has the crowd gasping as it skids off for a clean winner.
* denotes NEXT to serve


Twitter
Dominic Breslin on Twitter: "Resilience from Federer at the end of the 2nd set, and set 2001 of his career should end the Del Potro challenge! #allez"

Federer 6-4 6-3 Del Potro*
A real arm-wrestle over the final game, but eventually, after facing down four break points, Federer is home and hosed. The Swiss's backhand which had been firing reliably so far gets a bit of a working over as Del Potro moves 0-30 up. An ace reduces the arrears, but then a double fault coughs up the first two break points for Del Potro to shoot at. Neither is claimed though as Federer cracks home a flying forehand volley and then a pinpoint deep groundstroke cramps up Del Potro. Federer's serve is a little off radar and a double fault gives Del Potro a third break point. Federer survives that one and then another as Del Potro pumps long. That is just one from six break points converted across the match from Del Potro and Federer makes him pay as he nails down the game and the set. It is a long, hard slog back from here for Del Potro. Tsonga did it at Wimbledon last year with wonderful, loose-limbed hitting. That will have to be the template.
* denotes NEXT to serve

*Federer 6-4 5-3 Del Potro
With that break safely in his back pocket, Federer keeps his powder dry for the service game to come. Del Potro serves out relatively unchallenged.
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Federer 6-4 5-2 Del Potro*
Federer's grip on this second set shows no sign of slipping as he keeps the pedal firmly to the metal through his service game. Del Potro doesn't get a sniff.
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*Federer 6-4 4-2 Del Potro
Del Potro serves up only his second ace of the match to move to 40-15. That stat makes it sound like the big man has been struggling to tee off, but it is more testament to Federer's ability to lay some graphite on whatever comes flying down his way. Another big serve from Delpo gets some of Federer's frame but nothing more as he stays in the hunt.
* denotes NEXT to serve

Federer 6-4 4-1 Del Potro*
Del Potro, perhaps reinforced by the two wins he has had in their nine previous meetings, has a healthy lack of deference to Federer and is immediately on the offensive forcing a break point. But Federer has plenty of steel to go with all that style and he nervelessly overhauls the Argentinean to preserve his break.
* denotes NEXT to serve

Switzerland
*Federer 6-4 3-1 Del Potro
Del Potro is in control of the rally at 30-15 up, but opts to shoulder arms to a tempting backhand volley. Federer's groundstrokes has just enough top spin to bring it down inside the line though and that looks like it could be a costly mistake as a double fault gives Federer break point. The serve is back online though as it drags Federer out wide, a position he never recovers from, on the next point. The Swiss is not to be denied though and, after a fluffed drop-shot from Delpo, he caresses a backhand down the line after a lengthy cross-court exchange to move a set and a break up.
* denotes NEXT to serve

Federer 6-4 2-1 Del Potro*
Federer bucks himself up with a hold to love. Shade is rapidly encroaching across the Rod Laver Arena which will be a relief to the players and spectators.
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*Federer 6-4 1-1 Del Potro
Del Potro holds in relative comfort as Federer purrs and then splutters slightly as he struggles for top gear.
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Federer 6-4 1-0 Del Potro*
Del Potro comes out swinging for the second set as he slugs his way to 0-30. But Federer, like a sort of tennis martial artist, swings the bigger man's momentum against him. A couple of unexpected angles off the forehand leaves Delpo looking leaden-footed and Federer whisks that chance of a break away in the blink of an eye.
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Switzerland
*Federer 6-4 Del Potro
Federer summons up all his powers for a big push at the Del Potro serve. And it is a perfectly timed kick to take him over the finish line in the first set. A gorgeous inside out forehand brings up 15-30 and is followed up with another sizzler for two break and set points. That proves to be enough from Federer as Del Potro folds with a double fault and trudges back to his stool.
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Federer 5-4 Del Potro*
Despite his gangly frame, Del Potro is a rare visitor to the net and that seems particularly wise against Federer. The Swiss chases down a drop-shot and sends a lob cascading over Delpo to seal the game.
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*Federer 4-4 Del Potro
Well, well. Del Potro closes out his service game with a crackerjack ace. He was definitely slower out of the blocks but the 2009 US Open champion is starting to boss things a little now. All square.
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Argentina
Federer 4-3 Del Potro*
Federer has just come slightly off the boil and Del Potro's pounding forehand fires in response. The Swiss was wrong-footed by Del Potro's gamble to his stronger forehand to bring up 30-40 and a break point. The sledgehammer groundstrokes keep coming at increasingly acute angles in the subsequent rally as Federer is finally stretched past breaking point.
* denotes NEXT to serve

*Federer 4-2 Del Potro
Del Potro guides a service game safely past Federer as he looks for a foothold in the match.
* denotes NEXT to serve

Twitter
Andy Scott on Twitter: "Keeping me going through night shift, looking ominous for Del Potro though!."

Federer 4-1 Del Potro*
Another Federer service game whistles past the eyes of the Rod Laver Arena crowd. Just your everyday, casual brilliance.
* denotes NEXT to serve

*Federer 3-1 Del Potro
Del Potro ratchets up the power, but Federer is looking entirely unperturbed at the other end. He draws Delpo to the net, before drifting a cute lob volley over the top of him for 40-30 and then brings up deuce with a deadly little drop-shot. An almost contemptuous backhand is dusted down the line by Federer and he has another break point. A rare error from the Swiss followed by a monster serve from Del Potro as the world number 11 gets a sight of safety. He duly toughs it out to bring himself up on the scoreboard.
* denotes NEXT to serve

Federer 3-0 Del Potro*
Federer consolidates that break with a hold to love. Imperious. I reckon that is the best way to describe his mood so far.
* denotes NEXT to serve

Switzerland
*Federer 2-0 Del Potro
Far less straightforward for Del Potro and despite climbing into a couple of forehands, Federer's touch and guile at the net give him 30-40 and an early break point. The Argentinean looks poised to save it as Federer hangs one up invitingly, but he duffs a smash straight into the net.
* denotes NEXT to serve


Federer 1-0 Del Potro*
A wipe of the towel, barely needed, as Federer peppers the corners of the service box with a fine opening salvo of serves. He holds for the loss of one point. Regulation stuff.
* denotes NEXT to serve

0534:Five-time champion Roger Federer and Argentina's Juan Martin del Potro are just knocking up on the Rod Laver Arena ahead of their quarter-final. All the action coming right up.

0527:That result means that we will have a new women's number one at the end of this tournament. Petra Kvitova, Maria Sharapova and Victoria Azarenka are all possible successors to Wozniacki.

The match is over
Latest scores
KIM CLIJSTERS BEATS CAROLINE WOZNIACKI 6-3 7-6 (7-4) TO MAKE AUSTRALIAN OPEN SEMI-FINALS

Wozniacki 3-6 6-7 (4-7) Clijsters
The pair match each other point for point, with each holding serve, as they take drinks at 3-3. Woznaicki picks a pearler of a backhand to move 4-3 up, but her lob touches down well over the baseline on the next point. Clijsters slams home on her own serve and then crashes away a fearless forehand to break the Wozniacki serve and set up match point. Clijsters only needs one this time as she picks her way to the net and pats away the forehand volley to finally see off Wozniacki.
* denotes NEXT to serve

Wozniacki 3-6 6-6 Clijsters*
Tentative stuff from both players but Wozniacki scrapes through to take it into a tie-break. Must be some frazzled nerves in both players' boxes right now.
* denotes NEXT to serve

*Wozniacki 3-6 5-6 Clijsters
Having looked like a school tournament with a sixth-former taking their frustrations out on a hapless first year, an intriguing clash of styles is suddenly emerging. Wozniacki is chasing gainfully, getting the ball back one last time and challenging Clijsters to chance her arm. Where once that powerhouse left was landing every time, it is now pretty haphazard. It does just enough this time though as a crunching groundstroke finds its mark to give Clijsters another crack at Wozniacki's serve.
* denotes NEXT to serve

Wozniacki 3-6 5-5 Clijsters*
Clijsters' footwork suddenly has all the grace of Ann Widdecombe on Strictly Come Dancing as she strangles a forehand to fall 30-15 adrift. Wozniacki is just giving her opponent enough rope, plugging the ball back in court, and the errors keep coming from the Belgian. All square and, perversely, the pressure might lift off Clijsters now.
* denotes NEXT to serve

Text in your views on 81111
From Anon, via text: "Clijsters on one ankle dominating the world number one. Shows what a farce the rankings system is!"

*Wozniacki 3-6 4-5 Clijsters
Her first serve of the game is closer to the baseline than service box, but Clijsters appears to have zapped the gremlins in her game as she puts together a fine point culminating in a regulation forehand volley for 30-30. They are back with avengence though in the next two as a clunky forehand floats wide to give Wozniacki a service game to pull level.
* denotes NEXT to serve

Wozniacki 3-6 3-5 Clijsters*
The clouting power is still pouring from the Clijsters' racket but some of the accuracy has gone. She overcooks two groundstrokes to let Wozniacki off the hook and are there a few mental creaks knocking around upstairs for the Belgian as she attempts to close this one out?
* denotes NEXT to serve

*Wozniacki 3-6 2-5 Clijsters
The crowd roar their approval as Clijsters moves within a game of victory. Still a lot of love for "Aussie Kim" dating back to her days dating home favourite Lleyton Hewitt. She has repaid that support with a masterly display that has left Wozniacki smeared across the canvas today.
* denotes NEXT to serve

*Wozniacki 3-6 2-5 Clijsters
The crowd roar their approval as Clijsters moves within a game of victory. Still a lot of love for "Aussie Kim" dating back to her days dating home favourite Lleyton Hewitt. She has repaid that support with a masterly display that has left Wozniacki smeared across the canvas today.
* denotes NEXT to serve

*Wozniacki 3-6 2-5 Clijsters
The crowd roar their approval as Clijsters moves within a game of victory. Still a lot of love for "Aussie Kim" dating back to her days dating home favourite Lleyton Hewitt. She has repaid that support with a masterly display that has left Wozniacki smeared across the canvas today.
* denotes NEXT to serve

Wozniacki 3-6 2-4 Clijsters*
Clijsters bruises and bullies her way to 15-40. Wozniacki strokes away the first break point but a brute of an inside-out forehand chalks up the sixth break of serve for Clijsters.
* denotes NEXT to serve

*Wozniacki 3-6 2-3 Clijsters
Plenty of perspiration from Wozniacki under the baking Melbourne sun and she gets her reward with an improbable break to love. She got a bit lucky at 0-15 when Clijsters mis-read her opponent's movement and pinged straight into her hitting zone when the rest of the court was wide open, but there is nothing fluky about the way Wozniacki brought up 0-40. A superbly-controlled running forehand pass dips just over the net and that deserves the break on its own.
* denotes NEXT to serve

Wozniacki 3-6 1-3 Clijsters*
Wozniacki is throwing herself onto the front foot, attempting to mix it more with Clijsters. Only limited success for Mrs McIlroy-in-waiting though. A second-serve ace sees off a first break point, but Clijsters snaps straight back at her with a ripped return off the next point. This time the Belgian converts and she is three service holds away from the last four.
* denotes NEXT to serve

*Wozniacki 3-6 1-2 Clijsters
A searing backhand, punched down the line, leaves Wozniacki a mere spectator as Clijsters holds to love. No sign of the rolled ankle that she suffered in her previous outing against Li Na hindering Clijsters. A sudden recurrence might be Wozniacki's best chance of keeping her hopes of a first Grand Slam title alive.
* denotes NEXT to serve

*Wozniacki 3-6 1-2 Clijsters
A searing backhand, punched down the line, leaves Wozniacki a mere spectator as Clijsters holds to love. No sign of the rolled ankle that she suffered in her previous outing against Li Na hindering Clijsters. A sudden recurrence might be Wozniacki's best chance of keeping her hopes of a first Grand Slam title alive.
* denotes NEXT to serve

Wozniacki 3-6 1-1 Clijsters*
Wozniacki keeps fending and fetching and does just enough to keep Clijsters at bay as the Belgian bashes away, but fails to force another breakthrough.
* denotes NEXT to serve

*Wozniacki 3-6 0-1 Clijsters
Clijsters, all muscle and sinew behind these groundstrokes, is threatening to steamroll straight through Wozniacki. More flat, hard hitting and Wozniacki is scratching around in search of a way back into this one.
* denotes NEXT to serve

Wozniacki 3-6 Clijsters*
Gutsy stuff from Wozniacki who has been off the pace for most of this opening set as she sees off a first break and set point. But for all her scurrying and retrieving, she lacks the weapons that Clijsters has pointed at her from the opposite end. A pinpoint forehand from the Belgian brings up a second set point of the game. Wozniacki cranks down an ace to pull it out of the fire. Another menacing advance to the net is crowned with a crashing overhead to set up a third for Clijsters, again Wozniacki faces it down, but her defences are finally undone as she dollies one up at the net and Clijsters slaps away the forehand with a shout of glee.
* denotes NEXT to serve

*Wozniacki 3-5 Clijsters
A breath of life into Wozniacki's flagging chances in this set perhaps? At 15-15, the Dane latches onto a bit of mid-court nonsense from Clijsters but her forehand is out of kilter and she plants between the tramlines. Clijsters is maybe tightening a touch though as she balloons long on the next rally and from deuce plants into the net to give Woznaicki break point. Clijsters is left thoughtfully plucking the strings of her racket as another shot goes astray. Interesting...
* denotes NEXT to serve

Wozniacki 2-5 Clijsters*
Denmark's world number one is up against a barrage of baseline big-hitting from her predecessor at the top of the women's game. A corker of a forehand brings up two break points for Clijsters and she gets a healthy slice of fortune as well as her shot squirms its way over the tape to put her two breaks up. She serves for the set with fresh balls next.
* denotes NEXT to serve

*Wozniacki 2-4 Clijsters
No nonsense stuff from Clijsters as she smites her way through a love service game.

Wozniacki 2-3 Clijsters*
Clijsters opens up with a sumptuous shot down the line, but Woznaicki has also picked up the service slack and batters down the threat to hold for the first time.



*Wozniacki 1-3 Clijsters
It is boiling hot day out there on the Rod Laver Arena court, the ball zipping around off the baked surface. Clijsters holds onto a service game for the first time in the match. Wozniacki took a couple of points off her, but could not force the issue any further after a thick net cord fell the wrong way for her.

0345: Morning all. We hadn't planned it, but Victoria Azarenka's three-set win over Agnieska Radwanska has opened up a bit of time for a live text commentary on Caroline Wozniacki's clash with Kim Clijsters in the day's other ladies' quarter-final at the Australian Open. World number one against the defending champion? That is a Brucie bonus and a half. Clijsters leads 2-1 with all three games won against the serve.



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see also
Nadal sets up Federer semi-final
24 Jan 12 |  Tennis
Clijsters ends Wozniacki campaign
24 Jan 12 |  Tennis
Masterful Murray through to semis
25 Jan 12 |  Tennis
Djokovic beats determined Hewitt
23 Jan 12 |  Tennis
Murray through as opponent quits
24 Jan 12 |  Tennis
Serena upset by unseeded Makarova
23 Jan 12 |  Tennis
Kvitova beats Ivanovic to advance
23 Jan 12 |  Tennis
Men's singles latest
21 May 10 |  Tennis
Women's singles latest
21 May 10 |  Live scores
Order of play
15 Jan 12 |  Tennis
Men's singles draw
26 Aug 11 |  Tennis
Women's singles draw
28 Jan 10 |  Tennis
Tennis on the BBC
26 Oct 11 |  Tennis


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