All the action from the Group A match in Porto.
Goalflashes and major incidents:
FULL TIME: Greece jump for joy as they succeed in holding off Spain's relentless attacks.
With a final match against the weak Russians, underdogs Greece must now be a strong bet to qualify from the group. Spain need to get a result from their final match against the host nation Portugal.
91 mins: Greece clear the free-kick, but only at the expense of a corner on Spain's left, which comes to nothing.
90 mins: Spain are awarded a free kick 30 yards out on the right after Vryzas tugs back Puyol. The Greek forward earns a booking - his side's fifth of the match. There are three minutes of stoppage time.
89 mins: Spain have lost a little momentum, and the game is toing and froing in the centre of the pitch.
86 mins: Greece take off left-back Fyssas and replace him with Venetidis.
84 mins: Valeron makes himself some space on the edge of the area on the left, but his shot goes straight at Nikopolidis.
82 mins: Greece have survived 10 minutes of unrelenting Spanish pressure, and still Spain probe for an opening. Seitaridis stretches to head a Joaquin cross just out of Vicente's reach.
79 mins: Valeron wins a corner after Seitaridis blocks his cross, but it comes to nothing. Spain take off Raul and replace him with Fernando Torres.
78 mins: Joaquin wastes a superb run by scuffing his shot from eight yards out.
77 mins: A Joaquin corner reaches Valeron unmarked eight yards out, but he blasts the ball into a crowd of players and Greece breath again.
76 mins: Spain are piling on the pressure as they strive to re-take the lead, but the Greeks are generally managing to break up their moves as they reach the area.
74 mins: Joaquin wins a corner after beating two players on the right wing. Joaquin takes the corner, but Helguera directs a free header straight at Nikopolidis in the Greek goal.
72 mins: A superb move which sees Valeron, Baraja and Joaquin combine to move the ball from the centre circle to the right wing ends with Raul just failing to get a touch on Joaquin's cross-shot.
66 mins: GOAL Greece 1-1 Spain
Katsouranis hits a diagonal ball from the right and finds Charisteas, who chests the ball down and drills it past Casillas from seven yards out.
65 mins: Valeron, who scored the winner in Spain's opening game against Russia, is brought on to replace Morientes.
64 mins: Greece win a corner after Seitaridis' shot is deflected off Raul Bravo. Dellas heads on to the roof of the net from the corner.
62 mins: Superb work from Puyol on the right sees him play in Joaquin, whose cross is headed clear by Kapsis.
61 mins: Zagorakis is booked for a foul on Morientes - it is the fourth yellow card for Greece in the match.
58 mins: Spain waste a good opening after Raul and Joaquin fumble following a cross from Vicente.
57 mins: Nikopolidis comes off his line to gather a dangerous ball into the area towards Morientes from Baraja.
54 mins: Joaquin crosses from the right and finds Raul unmarked eight yards out on the left of the Greece area and faced with an open goal. But the striker heads wide.
53 mins: Albelda loses possession and Zagorakis blasts a powerful shot straight at Casillas.
52 mins: Karagounis is replaced by Tsiartis.
51 mins: Spain win the ball back, and a free-kick on the edge of the centre circle just inside the Greece half. Vicente goes down under a challenge by Seitaridis inside the Greece area, but the referee waves away his penalty appeal and signals for a goal kick.
50 mins: A patient Spanish build-up ends when Albelda over-hits a ball into the area and the ball goes out for a Greek throw-in on their left.
49 mins: Spain win a corner on the right, which Joaquin takes, but not before the injured Giannakopoulos is substituted for Nikolaidis. The Greeks clear the corner after a bit of a scramble.
47 mins: As Spain attempt to dismantle a Greek attack, the ball breaks to Zagorakis 20 yards out but his shot is just wide.
46 mins: Spain, who have replaced Etxeberria with Joaquin on the right wing, get the second half under way. Puyol swings a long ball in to Raul, whose header from the edge of the area goes wide.
45 mins + 1: Spain win a corner on the left, which Vicente takes. Marchena collects it at the near post and passes back to Vicente, who is tackled but wins another corner, which is cleared by Greece.
43 mins: Giannakopoulos beats Puyol on the left to set up a cross, which Helguera clears for a corner. Baraja attempts to get the ball clear, but it is charged down and it takes Raul to calm things down and clear the Spanish lines.
41 mins: After some good play by Greece on the left, the ball breaks to Vryzas just outside the area on the right, but he blasts the ball wide.
40 mins: Zagorakis punts the ball into the Spain penalty area, but after a bit of toing and froing, it is safely gathered by goalkeeper Casillas.
38 mins: Baraja is caught in possession by Karagounis 30 yards out, but Helguera makes an impressive tackle on the edge of the area to clear the danger.
36 mins: Helguera is booked for a foul on Vryzas midway into the Spanish half on the Greek left. The free-kick by Giannakopoulos sails out of play.
35 mins: Vicente breaks down the left and wins a corner after a tackle by Seitaridis. Exteberria's corner clears everyone and curls out of play.
33 mins: Greece get the ball into the Spanish area, but Vryzas' shot hits Marchena on the back and Spain break clear.
30 mins: Etxeberria creates another opening, but Raul's first touch 25 yards out on the left is heavy, and the Greek defence manage to scramble the ball clear.
28 mins GOAL Greece 0-1 Spain:
Raul cashes in on a mistake by Kapsis in the penalty area and his back heel finds Morientes 12 yards out. He cuts inside Katsouranis to drill the ball to the left of the goalkeeper and into the back of the net.
26 mins: Karagounis is booked for a foul on as Etxeberria tries to break down the right - the Greek midfielder will now miss their final match against Russia.
25 mins: Greece win a free-kick 30 yards out in the centre of the pitch when Marchea fouls Zagorakis, but the kick bounces into the wall.
24 mins: Giannakopoulos is booked for a foul on Puyol on the Spanish right, midway into the Greek half. Vicente fires the free-kick into the six-yard box, where Helguera somehow kicks it away from the goal.
20 mins: Vicente wins a corner for Spain on the left when a cross deflects off Seitaridis. Etxeberria's kick does not clear the first defender.
17 mins: Etxeberria's attempt to complete a one-two and play Morientes into a goalscoring position on the right of the area is thwarted by a good block from Dellas.
15 mins: Spain defender Marchena is booked for a foul on Karagounis. It is Marchena's second booking of the tournament and he will miss Spain's final group match against Portugal.
The resulting free-kick from the Greek right is cleared by the Spanish defence.
14 mins: Raul Bravo makes a surging run into the Greek penalty area, but he is tackled impressively by Giannakopoulos.
12 mins: The Greeks win a free-kick midway into the Spanish half on the Greek right. Zagorakis takes it, but it comes to nothing.
11 mins: Raul Bravo wins a free-kick on the Spanish left, which Greece clear only as far as Baraja on the right of the area. Etxeberria fires in a cross but the Greeks scramble the ball clear.
7 mins: Etxeberria crosses from the right, but the ball is cleared for a Spanish corner on the same side. Vicente takes it and goalkeeper Nikopolidis gets a faint touch to give Spain another corner, which Etxeberria takes short and comes to nothing.
6 mins: Katsouranis earns the first booking of the game with a foul on Raul.
5 mins: Vicente makes it to the byeline on the left, but his cross falls into the arms of Greek goalkeeper Nikopolidis.
4 mins: Both sides have shown plenty of attacking intent, but neither have managed to create a genuine goal threat yet.
1 min: Greece mount two attacks in the first minute, but the Spanish defence stifle the danger and begin trying to mount a patient build-up, which ends in a goal-kick for Greece.
1700 BST: Greece kick off in Porto's Estadio do Bessa.
The tidal wave of Dutch orange that swept through Porto on Tuesday has given way to the red of Spain.
Boavista's Estadio do Bessa is surrounded by Spanish supporters eager to see their team secure qualification from Group A with a victory over Greece.
Drummers are leading the choruses of Viva Espana, and the local beer, Superb Bock, is being consumed in vast quantities.
Greek fans, buoyed by their win over Portugal in the tournament's opening match, are optimistic that they can take something from the game.
After all, they finished above Spain in qualifying for Euro 2004.
Needless to say, it is boiling hot.
Greece make one change, with AEK Athens' midfielder Costas Katsouranis replacing Angelos Basinas, who scored their winning penalty against Portugal on Saturday.
Deportiva La Coruna striker Juan Carlos Valeron is left on the bench by Spain coach Inaki Saez, despite scoring the winner when he came on as a substitute in the opening match against Russia.
Real Madrid pair Raul and Fernando Morientes continue at the front in an unchanged starting line-up.
Greece: Antonis Nikopolidis; Yourkas Seitaridis, Michalis Kapsis, Traianos Dellas, Takis Fyssas; Stelios Giannakopoulos, Theodoris Zagorakis, Giorgos Karagounis, Costas Katsouranis; Zisis Vryzas, Angelos Charisteas
Spain: Iker Casillas; Carles Puyol, Carlos
Marchena, Ivan Helguera, Raul Bravo; Joseba Etxeberria, David Albelda, Ruben Baraja, Vicente; Fernando Morientes, Raul.
Referee: Lubos Michel (Slovakia)