94 mins: Senegal 0-1 Turkey
Ilhan Mansiz scores the golden goal that sends Turkey through to a semi-final re-match against Brazil.
Substitute Arif Erdem is half-tackled on the right, but the ball breaks for Umit Davala and his whipped cross is turned into the net by Ilhan Mansiz.
His goal not only sends the Turks through, but maintains their 100% record of scoring in every World Cup match in their history.
92 mins: Turkey win successive corners but fail to test Tony Sylva in the Senegal goal.
91 mins: Straight from the re-start Henri Camara bears down on Turkey's goal but, having rounded the last defender, is denied by a sprawling Rustu Recber.
1427 BST: Senegal kick-off extra time. Turkey look to be going for the kill, bringing on striker Arif Erdem for Emre Belozoglu and playing three upfront.
Full time: Senegal 0-0 Turkey
The teams take a short break, collecting their composure and energy ahead of extra time.
Turkey have created more opportunities in regulation time, but Senegal will go into the extra period full of confidence having seen off Sweden with a golden goal in the last round.
90 mins (+2): Right on the whistle, El Hadji Diouf is played in, with the last defender in close attendance, but the ball gets caught under his feet on the edge of the area and the danger is cleared.
90 mins (+1): Senegal put together one of their best moves of the match but Rustu Recber saves Henri Camara's low shot.
89 mins: The fourth official signals two minutes of time added on.
86 mins: Substitute Ilhan Mansiz earns a yellow card for a foul on Omar Daf near the corner flag.
85 mins: Turkey are keeping possession but when they do look for the end product, Tony Sylva easily claims a floated, aimless cross.
83 mins: Hasan Sas plays off the shoulder of Omar Daf and wins a corner when his cross from the by-line is deflected behind. The corner comes to nothing.
81 mins: Both teams are still chasing the game and what would probably prove a winning goal. Pape Bouba Diop goes on a solo run but is stopped in his tracks by Alpay Ozalan.
79 mins: Clearly frustrated by his team's profligacy closer to goal, Salif Diao opts to unleash a fierce long-range shot but his effort sails over the crossbar.
78 mins: Ilhan Mansiz afgain races clear but Ferdinand Coly and Lamine Diatta combine to close him down on the edge of the area.
76 mins: Yildiray Basturk breaks down the left flank and, with Ilhan Mansiz in the centre, the pair are bearing down on goal with the Senegal defence trailing in their wake.
But Basturk's cross is overhit and Senegal recover to clear.
71 mins: Rustu Recber comes racing off his line, to climb and claim a flighted free-kick off the head of Pape Bouba Diop. He immediately releases Turkey on the attack, but their efforts break down.
68 mins: Ilhan Mansiz's first touch nearly breaks the deadlock. He latches onto Yildiray Basturk's chest down on the edge of the area, but his gentle lob drifts just over the crossbar.
67 mins: The new captain Bulent Korkmaz is straight into the action, denying Henri Camara as the striker takes a touch too many on the edge of the area.
66 mins: Turkey bring on Ilhan Mansiz with the captain Hakan Sukur coming off. Bulent Korkmaz takes over the captaincy.
65 mins: Turkey are enjoying a good spell but are still unable to break down Senegal's back four.
62 mins: Aliou Cisse is booked for a foul on Hasan Sas - despite not touching the bald striker. It is Senegal's 15th card of the tournament - the same number as Turkey. They are the World Cup's two most-cautioned teams.
60 mins: Turkey slow things down and there is a surprising lack of activity around either penalty area. When Turkey do attack, Salif Diao clears with an overhead kick to touch despite having nobody with 10 yards of him.
56 mins: Fatih Akyel flashes a cross across the area from the left but Hakan Sukur is unable to meet it.
54 mins: Yildiray Basturk accelerates down the left flank, cuts inside and beyond Pape Malick Diop, but Lamine Diatta is on hand to cut out the danger.
51 mins: From the resulting effort - left of centre - El Hadji Diouf's whipped shot is just over the crossbar.
50 mins: Senegal attack Turkey on both flanks and win a free-kick on the edge of the area when Bulent Korkmaz comes through on Henri Camara with a tackle from behind.
49 mins: Senegal are on the back foot, but Turkey fail to test their opponents with two weak corners.
47 mins: Both teams quickly pick up the pace they set in the first half and as Turkey look to work a shooting opportunity on the edge of the area, Salif Diao takes man and ball when he confronts Hasan Sas with a thumping block tackle.
1333 BST: Turkey get the second half underway.
Half-time: Senegal 0-0 Turkey
A helter-skelter half comes to its conclusion with the teams somehow going back to the dressing rooms locked at 0-0 despite the plethora of chances.
46 mins (+2): The match is all action and wide open, with Senegal now breaking.
El Hadji Diouf recieves the ball from Henri Camara on the corner of the area, but as the man nicknamed "Serial Killer" pulls the trigger to shoot, Alpay Ozalan comes flying in with a crunching tackle to stop him in his tracks.
45 mins (+1): Turkey attack at pace, but Emre Belozoglu's ball into the area is neither a cross nor a shot and Senegal clear with Hasan Sas throwing his arms in the air in frustration.
44 mins: From the resulting corner, the ball flashes across the area but nobody, be it in a red short or a white shirt, is able to make contact.
43 mins: Hakan Sukur, Hasan Sas and Yildiray Basturk link for what seems certain to be the opening goal with Basturk stooping to head the ball beyond Tony Sylva only for Omar Daf to clear the ball off the line.
41 mins: The failure to shoot on sight seems to be spreading. Senegal spurn an opportunity allowing Turkey to clear the danger after over-elaboration in the build-up.
39 mins: Turkey have another good opportunity. Having created space on the edge of the area, Hasan Sas opts to turn back onto his right foot instead of firing in a shot with his left. As he turns a crunching tackle comes in and the moment is lost.
38 mins: Turkey cut Senegal open on the right flank but yet again Hakan Sukur's finish lets down the build-up and he fails to make contact with a whipped cross.
34 mins: Emre Belozoglu is writhing in agony on the halfway line clutching his left thigh. The game stops as the physio and medical team rush on.
It is not clear how he sustained the injury but after being treated on the touchline, and complaining to the fourth official, he is back on the pitch.
33 mins: Hakan Sukur's woeful World Cup continues when he fails to test the goalkeeper with a header.
31 mins: Defender Alpay Ozalan makes a great run into the area but is unable to find the finish following a through ball from the right.
29 mins: Hasan Sas stays down after a clash of heads with Ferdinand Coly. After treatment he is back on his feet.
26 mins: Against the run of play Turkey break only for Hakan Sukur to notch up one of the misses of the tournament.
He links with Hasan Sas, but when the ball is played back to him his miserable World Cup continues when he fails to collect and control the ball with only the goalkeeper to beat.
24 mins: Khalilou Fadiga whips in a left footed free-kick, but with the Turkish defence flat-footed, Pape Bouba Diop is unable to latch onto the ball and test the goalkeeper.
22 mins: Senegal are beginning to hit their stride, much to the delight of their travelling fans who are beating a constant rhythm on drums in the stand.
El Hadji Diouf breaks down the left and, after being held up, releases Khalilou Fadiga.
Fadiga's cross is stopped, but he pounces on the breaking ball, firing his effort into the side netting.
21 mins: Emre Belozoglu, who has already been suspended during the tournament, receives Turkey's first yellow card of the match for a rash tackle on Omar Daf.
18 mins: Senegal look to have scored the opening goal when Henri Camara bundles the ball over the line but it is quickly ruled out.
Khalilou Fadiga's hooked shot beats Rustu Recber but is stopped by Camara. He turns and fires the ball in the net but it is rightly ruled out as the striker received the ball in an offside position.
16 mins: Henri Camara creates a bit of excitement in the stadium as he creates some space for himself and fires in the first shot of the match which Rustu Recber saves easily.
13 mins: The game becomes a bit scrappy and there are a few hard challenges coming in. The match is failing to live up to its early promise.
11 mins: The 33-year-old referee shows the first yellow card of the match. Omar Daf is the aggressor and Yildiray Basturk the victim, but it is not a malicious tackle.
10 mins: The match seems to be settling as Senegal now enjoy a passage of possession as they probe for an opening. Both teams are looking comfortable and confident on the ball.
9 mins: Turkey are playing precise possession football deep in Senegal territory but there is no end product.
7 mins: It is end-to-end stuff with Senegal breaking down the right. El Hadji Diouf's cross causes Turkey trouble but they clear the danger.
6 mins: Umit Davala breaks down the right flank, gets beyond Ferdinand Coly but his floated cross evades the on-rushing support.
5 mins: Turkey win two free-kicks in quick succession for fouls on Hasan Sas and Yildiray Basturk, but both are wasted.
3 mins: Senegal get their first sight of goal, but having been played through by Pape Bouba Diop, El Hadji Diouf stumbles as he attempts to turn inside and shoot on the edge of the area.
2 mins: The opening exchanges are played out at a sedate pace in Turkey's half.
However, it is the Europeans who threaten first, Yildiray Basturk firing in a cross from the left which is thumped clear.
1230 BST: Colombian referee Oscar Ruiz gets the fourth and final quarter-final underway in a packed and colourful stadium under the lights in Osaka.
It is the first time that either Senegal, who are making their World Cup debut, or Turkey have qualified for the last eight. It is also the first time the teams have ever met.
The teams are playing for the right to meet Brazil in Wednesday's semi-final in Saitama.
Midfielder Salif Diao and winger Khalilou Fadiga return for Senegal after serving out match suspensions.
Diao was out for two matches after being sent off for an ugly tackle against Denmark, while Fadiga missed one match after a receiving a second yellow card in the final first-round game against Uruguay.
Coach Bruno Metsu also starts with captain Aliou Cisse, who has been suffering from a calf strain.
Turkey coach Senol Gunes has made only one change - Emre Belozoglu comes in for Hakan Unsal.
Ergun Penbe, who had been uncertain to play because of a minor left hamstring injury, is also included.
Senegal: Tony Sylva, Omar Daf, Pape Malick Diop, Aliou Cisse (capt), Henri Camara, Khalilou Fadiga, El Hadji Diouf, Lamine Diatta, Salif Diao, Ferdinand Coly, Pape Bouba Diop.
Turkey: Rustu Recber, Bulent Korkmaz, Fatih Akyel, Alpay Ozalan, Kerimoglu Tugay, Hakan Sukur (capt), Yildiray Basturk, Hasan Sas, Ergun Penbe, Emre Belozoglu, Umit Davala.
Referee: Oscar Ruiz (Colombia).