All the latest action as the co-hosts dump Italy out of the World Cup with a golden-goal victory in Daejeon.
26 mins: Ahn Jung-Hwan sensationally puts South Korea into the last eight by getting ahead of the Italian defence to head home the golden goal at the far post.
South Korea 2-1 Italy
25 mins: Choi Jin-Chul collects the eighth booking of the match for a heavy tackle through the back of Christian Vieri.
22 mins: Lee Woon-Jae saves Korea with a brilliant point-blank stop from Gennaro Gattuso after the Italian had been let in by an ill-advised attempt at a back-heel from Seol Ki-Hyeon.
21 mins: Korea have three men waiting for a cross at the far post but Hwang Sun-Hong can only head straight at Gianluigi Buffon.
20 mins: Damiano Tommasi puts the ball in the net but the goal is ruled out for offside.
19 mins: Hwang Sun-Hong just fails to pick out a team-mate bursting into the box and his pass runs through to Gianluigi Buffon in the Italian goal.
18 mins: Christian Vieri, now carrying the Italian attack single-handed, is penalised for pulling.
17 mins: Italy counter and Christian Vieri has a good shot blocked.
1444: South Korea restart and are immediately on the attack.
1442 BST: The first half of extra-time comes to an end, with the advantage having swung firmly away from 10-man Italy, whose players remonstrate with referee Byron Moreno during the break.
15 mins: Angelo di Livio is hustled off the ball but Hwang Sun-Hong curls his shot high and wide.
13 mins: Francesco Totti is sent off after receiving a second yellow card, this time for diving under the challenge of Song Chong-Gug inside the Korean box.
11 mins: Even Paolo Maldini is now feeling the heat and concedes a free-kick in a threatening position just outside his own box. Hwang Sun-Hong hits a low shot under the jumping Italian wall but Gianluigi Buffon dives full length to touch the ball round his post.
10 mins: Refuelled on the adrenalin of the occasion, South Korea are now the more dynamic side, closing down Italian attacks and getting forward in numbers themselves.
9 mins: Lee Chun-Soo is booked for a high challenge on Gennaro Gattuso.
7 mins: Mark Iuliano concedes a free-kick midway inside his own half. Korea swing the ball into the Italian box, where it rattles around before being hoofed to safety.
6 mins: The game is end-to-end now and Francesco Coco has to chest a swirling cross behind for a corner. Lee Chun-Soo's centre is dangerous but Italy clear their lines.
5 mins: Italy now look more interested in attack than they did in the final hour of normal time and Lee Woon-Jae has to make a good catch to deal with Damiano Tommasi's cross under pressure from Christian Vieri at the back post.
4 mins: Now Italy force a corner, through Angelo di Livio down the right, but Damiano Tommasi cannot quite connect with his attempted header.
3 mins: The third corner comes in and this time Gennaro Gattuso clears downfield.
1 min: Korea, playing with massive backing from the crowd, force the first corner, which is put behind by Gennaro Gattuso. The second corner comes in and Gattuso does the same again.
1427: With the teams level at 1-1, the extra-time period gets underway with the first team to score going through to the quarter-finals on the golden goal.
1422 BST: The final whistle blows to huge cheers from all around the stadium as South Korea take the game to extra-time.
90 mins: Goalkeeper Gianluigi Buffon rescues Italy when he clutches Cha-Doo-Ri's bicycle kick in the centre of his goal.
89 mins: Christian Vieri wastes a golden chance to win the game for Italy when he screws his shot wide from six yards after being picked out by Damiano Tommasi's perfectly-flighted cross.
88 mins: The stadium erupts as Korea equalise through Seol Ki-Hyeon with just two minutes to play. Christian Panucci fails to deal with Hwang Sun-Hong's ball into the box and Seol Ki-Hyeon pounces to score from six yards.
South Korea 1-1 Italy
86 mins: Gennaro Gattuso wins Italy a corner but with the Azzurri committing fewer and fewer players ot attack, it is easily cleared by the Korean defence. Cristiano Zanetti takes another few minutes off the clock by blasting the clearance back over Lee Woon-Jae's crossbar.
83 mins: Striker Cha-Doo-Ri comes on as a substitute for sweeper Hong Myung-Bo as Korea coach Guus Hiddink throws men forward in desperate pursuit of an equaliser.
81 mins: Song Chong-Gug is booked for a foul on Damiano Tommasi. From the free-kick, Christian Vieri gets in a shot that Lee Woon-Jae comfortably saves.
80 mins: Italy survive their first moment of real danger when they fail to deal with a near-post cross. But neither Ahn Jung-Hwan nor Seol Ki-Hyeon can get a decisive touch in the ensuing goalmouth scramble.
78 mins: Korea are still seeing far more of the ball than Italy but, tellingly, they have failed to force Gianluigi Buffon into making a single save during the second half.
75 mins: South Korea win a corner off Francesco Coco. But Mark Iuliano heads Song Chung-Gug's centre clear and Italy break downfield, with Christian Vieri firing in a shot that is deflected onto the roof of the net.
73 mins: An instant ball out of defence frees Christian Vieri behind the Korean defence. But on his less-favoured right foot, he can only shoot wastefully wide of goal.
72 mins: Italy coach Giovanni Trapattoni makes his second substitution, replacing Gianluca Zambrotta with Angelo di Livio.
69 mins: Ahn Jung-Hwan dwells on a deep cross beyond the far post and is hustled out of possession by Francesco Coco before he can get a shot in.
68 mins: Kim Nam-Il cannot continue and is replaced by Lee Chun-Soo.
66 mins: Kim Nam-Il is carried from the field on a stretcher after twisting his ankle while stretching to make a challenge.
65 mins: Hong Myung-Bo is lucky to escape a booking when he takes out Gennaro Gattuso as he runs onto Francesco Totti's clever back-heel.
64 mins: Christian Panucci's free-kick from the right fails to get beyond the first defender.
62 mins: Hwang Sun-Hong wins his 100th cap for South Korea when he comes on as a substitute for Kim Tae-Young.
60 mins: Italy make the first substitution of the night, withdrawing striker Alessandro del Piero and bringing on another midfielder in Gennaro Gattuso.
59 mins: After the Italian wall is slowly edged back the full 10 yards, Ahn Jung-Hwan blazes over, although referee Byron Moreno has already awarded a free-kick for Italy. He then books Cristiano Zanetti for dissent.
58 mins: Francesco Coco is late with his challenge on Park Ji-Sung, giving South Korea a free-kick in the D of the Italian penalty box.
56 mins: Italy break downfield and Gianluca Zambrotta picks out Alessandro del Piero beyond the far post for a snap-shot that cannons clear off Kim Tae-Young.
56 mins: A quick free-kick catches the Italian defence asleep but Gianluigi Buffon is alive to the danger.
55 mins: Damiano Tommasi is booked for a cynical foul on the Italian right. But the free-kick is headed clear by the Azzurri defence.
54 mins: Song Chong-Gug finally gets the better of Paolo Maldini, but his cross is too long for his fellow attackers.
53 mins: Mark Iuliano gives away a free-kick on the edge of his own box with a tackle from behind. Ahn Jung-Hwan rolls the ball to Yoo Sang-Chul, whose shot is charged down by Damiano Tommasi.
51 mins: Alessandro del Piero wins a free-kick in a dangerous position but the resulting ball into the box ricochets into the arms of Korean goalkeeper Lee Woon-Jae.
49 mins: Referee Byron Moreno speaks to Alessandro del Piero and Kim Tae-Young after the Italian kicks out at the Korean, who responds by lashing out with an elbow.
48 mins: Paolo Maldini makes another perfect tackle to snuff out a South Korean attack on his own 18-yard line.
1334: South Korea restart and immediately launch a threatening attack down the left, although Italy escape the danger.
1320: Referee Byron Moreno blows the whistle to end the half with Italy a goal to the good.
45 mins (+2): Francesco Coco returns to the field with his head swathed in bandages.
45 mins: Italy clear the corner but Korea continue to attack and Gianluigi Buffon has to make a smart save from Ahn Jung-Hwan's long-range shot.
43 mins: Italy's Damiano Tommasi heads the corner behind. But in so doing he catches his team-mate Francesco Coco with an elbow that splits the Barcelona defender's eyebrow open, creating a bloody wound that may require stitches.
42 mins: Ahn Jung-Hwan wins a free-kick on the edge of the Italian penalty area for a trip by Cristiano Zanetti. Ahn Jung-Hwan takes the kick himself but his shot deflects wide off the wall for a corner.
40 mins: Another Italian attack comes to an end when Gianluca Zambrotta is caught offside.
38 mins: Lee Woon-Jae makes a superb save at the feet of Damiano Tommasi after the Italian midfielder is played in by a return pass from Francesco Totti. The loose ball rolls towards the Korean goal-line but Choi Jin-Chul sweeps up to complete the clearance.
36 mins: Ahn Jung-Hwan creates a genuine chance for Korea when he fools Mark Iuliano with a clever turn inside the box. However, he snatches at his shot from 10 yards and the ball flies high and wide of the target.
33 mins: Mark Iuliano makes a fine sliding tackle to snuff out the danger posed by Ahn Jung-Hwan attacking down the Korean right.
32 mins: South Korea are playing at nowhere near the pace and intensity they managed in their group games and are looking short on ideas to break down the Italian defence.
29 mins: Alessandro del Piero finds himself in space 20 yards out but hits a tame shot well wide of Lee Woon-Jae's right-hand post.
28 mins: South Korea have a majority of the possession but are making little impression on an Italian defence that is already looking comfortable sitting on a one-goal lead.
26 mins: Mark Iuliano makes a good clearance from Lee Young-Pyo's left-wing cross after the Korean midfielder cleverly makes room for the centre.
25 mins: Gianluca Zambrotta makes a good run down the right wing but his cross is intercepted by Kim Tae-Young.
22 mins: The Korean crowd are roused once more as Francesco Totti is booked for a flailing elbow in an aerial challenge.
21 mins: Near-silence has now descended on the stadium as Christian Vieri fires another effort wide of goal.
18 mins: Christian Vieri gives Italy the lead from the corner, using his superior strength to get up in front of two markers to head home at the near-post.
South Korea 0-1 Italy
17 mins: Kim Tae-Young receives the game's second yellow card for a tackle from behind on Christian Vieri. From the free-kick, Lee Woon-Jae makes a good punch clear but Italy win a corner.
17 mins: Paolo Maldini has to make a good challenge to clear Seol Ki-Hyeon's low cross from the left.
15 mins: Alessandro del Piero wins a free-kick on the edge of the South Korean penalty area for a foul by Choi Jin-Chul. But Francesco Totti can only hit his team-mate, Damiano Tommasi, on the end of the Korean wall.
14 mins: Italian goalkeeper Gianluigi Buffon races out of his area to head clear a South Korea attack.
13 mins: Korean keeper Lee Woon-Jae earns rapturous applause for a routine take of a flick-on by Christian Vieri.
11 mins: Christian Vieri hits a cross-shot narrowly high and wide of the South Korean goal after Damiano Tommasi finds space in midfield to thread the ball forward through the inside left-channel.
8 mins: Kim Tae-Young requires lengthy treatment for a head injury after an aerial collision with Christian Vieri.
7 mins: Italy win their first corner on the left but the ball in is easily held at his near post by Korean goalkeeper Lee Woon-Jae.
5 mins: Ahn Jung-Hwan takes the spot-kick right footed but Italian keeper Gianluigi Buffon makes a great save, diving low to his right to touch the ball round the post.
4 mins: Italy's Francesco Coco receives the first yellow card for a mistimed tackle on Park Ji- Sung wide on the Korean right. Song Chong-Gug swings the ball into the box and referee Byron Moreno blows for a penalty to South Korea as Christian Panucci pulls on the shirt of Seol Ki-Hyeon.
1 min: Italy are roundly booed by the home crowd as they play the ball across their backline before springing forward to create the game's first opening. Gianluca Zambrotta gets a cross in from the right which is just too long for Francesco Totti.
1232: Italy get the match underway against a wall of sound from the packed Korean crowd.
1215 BST: The atmosphere is approaching fever pitch in the Daejeon World Cup Stadium as 40,000 South Korean fans turn the stands into a sea of red.
One end of the ground is transformed into a giant mosaic of placards spelling out the message "Again - 1966", a reference to neighbouring North Korea's World Cup victory over Italy - the Azzurri's darkest day in the tournament.
Other banners proclaim "Welcome to Azzurri's tomb" and predict "South Korea 5 Italy 0".
And the mood is reflected across the nation, with an estimated 1.25m people packing the streets of central Seoul ahead of kick-off.
South Korea: Lee Woon-Jae, Choi Jin-Chul, Hong Myung-Bo, Kim Tae-Young; Kim Nam-Il, Yoo Sang-Chul, Lee Young-Pyo, Park Ji-Sung, Song Chong-Gug; Seol Ki-Hyeon, Ahn Jung-Hwan.
Italy: Gianluigi Buffon; Franceso Coco, Paolo
Maldini, Mark Iuliano, Christian Panucci; Gianluca
Zambrotta, Damiano Tommasi, Cristiano Zanetti; Francesco
Totti; Alessandro del Piero, Christian Vieri.
Referee: Byron Moreno (Ecuador).