Game by game analysis as third seed Juan Carlos Ferrero knocks out former champion Andre Agassi in the first of the US Open semi-finals.
Final score: Agassi 4-6 3-6 6-3 4-6 Ferrero
Agassi 4-6 3-6 6-3 4-6 Ferrero
Ferrero seals a remarkable win. Agassi has two opportunities to break back but Ferrero digs deep and Agassi goes wide with a forehand to hand the 23-year-old Spaniard the win and the world number one spot.
Agassi 4-6 3-6 6-3 4-5 Ferrero
Agassi once again goes 0-40 down but he cannot come back this time. He nets a forehand on the first break point and Ferrero will serve for the match.
Agassi 4-6 3-6 6-3 4-4 Ferrero
Agassi plays two dreadful volleys to hand Ferrero an easy service game.
Agassi 4-6 3-6 6-3 4-3 Ferrero
Against the run of play, Ferrero suddenly finds himself with three break points. Agassi's bravery has the crowd in awe as he saves all three with some stunning hitting, leaving Ferrero looking emotionally drained.
Agassi 4-6 3-6 6-3 3-3 Ferrero
Ferrero's 10th ace seals the game for the Spaniard.
Agassi 4-6 3-6 6-3 3-2 Ferrero
The errors are creeping into Ferrero's game now as he squanders an opportunity to earn a break point at 30-30. Can he steel himself for one last effort?
Agassi 4-6 3-6 6-3 2-2 Ferrero
Ferrero uses the change of ends to have some strapping put on his right thigh - with his left thigh already heavily bandaged. He looks on the way to a comfortable service game but Agassi forces a break point with some pinpoint groundstrokes but Ferrero's serve sees him through.
Agassi 4-6 3-6 6-3 2-1 Ferrero
Agassi fires his 12th ace and directs a backhand down the line to hold to love.
Agassi 4-6 3-6 6-3 1-1 Ferrero
Ferrero holds his serve comfortably to stop the rot.
Agassi 4-6 3-6 6-3 1-0 Ferrero
Agassi holds from 0-30 down, with Ferrero looking increasingly frustrated at the sudden turnaround in fortunes.
Agassi 4-6 3-6 6-3 Ferrero
Ferrero appears to be shell-shocked and can hardly keep the ball between the lines - handing Agassi the third set and a glimmer of hope.
Agassi 4-6 3-6 5-3 Ferrero
Agassi is finding the lines now as Ferrero falters and the crowd are reaching full voice.
Agassi 4-6 3-6 4-3 Ferrero
Through sheer determination, Agassi earns a break point against the run of play. The crowd rise to give him a standing ovation as he whips away a forehand winner and finally breaks through.
Agassi 4-6 3-6 3-3 Ferrero
Almost inevitably, Ferrero's speed and power earns him two further break points but Agassi is equal to it and hangs on once more.
Agassi 4-6 3-6 2-3 Ferrero
Ferrero responds with a comfortable hold. Agassi's unforced error count is fast rising.
Agassi 4-6 3-6 2-2 Ferrero
Agassi cruises through a service game as Ferrero loses focus momentarily.
Agassi 4-6 3-6 1-2 Ferrero
Agassi proves he has not given up entirely with two precision lobs. But Ferrero responds to the second with an incredible shot through his legs which even the American crowd cannot help but cheer. The emotion of the moment appears to get to the Spaniard and Agassi earns a break point but he still cannot break through.
Agassi 4-6 3-6 1-1 Ferrero
The quality of Ferrero's play has left the Flushing Meadows crowd, along with Agassi it seems, stunned. The world number one has to dig very deep to hold serve.
Agassi 4-6 3-6 0-1 Ferrero
In another epic game, Ferrero is in trouble when Agassi twice forces deuce. The American stuns the crowd when he fails to move for a poor Ferrero drop shot and the Spaniard survives.
Agassi 4-6 3-6 Ferrero
In a game of high drama, Agassi has chances to close the gap but Ferrero is in determined mood. He has three opportunities to take the set before Agassi forlornly delivers a double fault to concede the set.
Agassi 4-6 3-5 Ferrero
Ferrero's serve is holding strong and from 30-30 he wins two quick points to hold.
Agassi 4-6 3-4 Ferrero
The crowd roar their encouragement as Agassi finds himself in danger at 30-30 but they cannot stop their man floating a backhand long to hand Ferrero a break point. A limp forehand means Agassi is a break down once more.
Agassi 4-6 3-3 Ferrero
Ferrero saves one break point with a magnificent volley but on a second he sends a backhand wide and Agassi jogs to the chair in delight in order to change his racket.
Agassi 4-6 2-3 Ferrero
Agassi wins another quick service game, but he still needs to recover the break to find a way back into the match.
Agassi 4-6 1-3 Ferrero
Agassi has a slight chance at 30-30 but Ferrero shuts the door emphatically with some fierce hitting.
Agassi 4-6 1-2 Ferrero
The anger appears to do Agassi good and he pounds the ball from side to side in an easy love game.
Agassi 4-6 0-2 Ferrero
Agassi is outraged by an overrule on game point but the umpire refuses to budge and Ferrero consolidates the break.
Agassi 4-6 0-1 Ferrero
Agassi delivers a lame double fault to gift Ferrero a break point. The third seed takes control immediately with a forehand winner.
Agassi 4-6 Ferrero
Agassi looks to be on the verge of completing the turnaround, but Ferrero sees off two break points before bravely clinching the set to the disappointment of the New York crowd.
Agassi 4-5 Ferrero
Agassi piles the pressure on Ferrero with a quick love service game, which he completes with an ace.
Agassi 3-5 Ferrero
Ferrero makes a mess of his first set point with a terrible drop shot and he sees a second slip away when he fires a forehand long. Agassi pounces to recover one of the breaks with a flicked backhand winner.
Agassi 2-5 Ferrero
Ferrero is frustrating Agassi with his ability to handle the American's most powerful groundstrokes. A sizzling forehand return sets up break point and the Spaniard will serve for the set.
Agassi 2-4 Ferrero
Ferrero cruises through a service game for the first time in the match, only a double fault marring an easy hold.
Agassi 2-3 Ferrero
Agassi has found the groove on his serve and an authoritative smash confirms an easy hold.
Agassi 1-3 Ferrero
Ferrero is in trouble again at 15-30 but a searching forehand and his first ace of the match save him.
Agassi 1-2 Ferrero
Agassi gets back on track with a confident service game, holding to love.
Agassi 0-2 Ferrero
Ferrero finds himself in trouble at 0-30 but he recovers with some aggressive serving and a stunning wrong-footing forehand.
Agassi 0-1 Ferrero
Agassi wins the toss and serves first. The match begins with a high-quality rally and Agassi nets a backhand to put himself on the back foot straight away. A double fault hands Ferrero a break point and the young Spaniard breaks with a rasping backhand.