Good evening and welcome to LIVE coverage of Czech Republic against Portugal in the opening Euro 2012 quarter-final from Warsaw's National Stadium.

There goes the final whistle! A 1-0 win for Ronaldo. Portugal in complete control. They are into the last four to face Spain or France.

Limberský takes out Coentrão with a late challenge. Howard Webb could have sent him off there, but the referee has done the Czech player a favour.

We are into four minutes of time added on.

Limberský brings down Pereira. And he is going to be booked for that late challenge.

Veloso steams in with a shot at goal - Portugal's 20th of the evening - but can only smash the shot miles over the bar.

Rolando is introduced for Raul Meireles. Portugal now with three centre backs on the park.

Ronaldo takes a tumble in the box. Was looking for a penalty, but Howard Webb tells him to get back on his feet.

Pekhart has replaced Hübschman for Czech Republic.

Custódio has replaced Nani for Portugal. Almost time up for the Czechs at these finals.

Cristiano Ronaldo has now scored six goals at the Euro finals, the joint-most of any Portuguese player, along with Nuno Gomes.

Pereira drags a shot at goal from 22 yards out. Another wonderful diving save by Cech, who has kept his country in this match tonight.

Portugal finally slowing the play down. Don't need to chase this game. The hard work has been done for the night.

10th goal for Ronaldo in this competition with seven coming in qualifying. Who is to stay he won't get a few more with a possible semi-final and final to come.

Ronaldo gets a huge ovation from the Portugal fans. Richly deserved. Portugal easily the better side in this match.

GOAL! Ronaldo arrives to head the ball into the deck and over Cech from Moutinho's cross. Portugal lead 1-0. A deserved lead. Finally.

Jiracek with a ball across the face of the Portugal goal. Great run and cross, but Patricio was off his line to claim the loose ball.

Czechs yet to come up a shot on the Portugal goal which says it all really.

Kadlec comes up with some brilliant defending to track the run of Ronaldo. Had to time that right, and does.

Nervous times for Portugal, who should be two or three goals ahead by this stage.

Pepe and Rezek collide going for a loose ball. Nani then slips a ball straight into the arms of Cech when there should have been a cross.