0-6 - Verdasco into the last four to face Novak Djokovic. Montanes collapsed after a thrilling fightback in the second set. Thanks for joining us today. We will be back at 12.30pm (BST) tomorrow for the semi-final action. Click to see the drawsheet for the Monte Carlo Masters!
0-5 - Montanes broken for a third time. It must be finished now.
0-4 - Verdasco four games ahead with two breaks. He has it to lose, but we said that in the last set.
0-3 - Montanes drops serve for a second time, but it would be foolhardy to predict how this one will finish.
0-2 - Verdasco moves two clear. Montane's fire has been dampened at the outset of this set.
0-1 - Montanes drops in an awful service game. Verdasco breaks.
7-6 - Montanes level. 7-4 in the tie-break. This has been a stunning comeback. Verdasco is suddenly in a spot of bother.
6-6 - And we're into the tie-break.......
5-6 - Verdasco ahead again.
5-5 - From 1-5, Montanes levels. This match has undergone considerable change.
4-5 - Verdasco seems to have been struck with a bout of nerves on the verge of his first Masters semi-final. We're suddenly back on serve.
3-5 - Montanes holds serve. Can Verdasco finish this one off?
2-5 - A break back and match points saved, but surely too late.
1-5 - Another break for Verdasco. This match is surely over.
1-4 - Verdasco pulls off a delightful lob midway through the game. He leads by three games.
1-3 - Verdasco breaks and is surely destined for a match with Djokovic in the last four. The world number 12 is well on top.
1-2 - Back on serve. Vital that Montanes holds in next, or this one could quickly get away from him.
1-1 - Verdasco breaks back. A disappointing game for Montanes.
1-0 - Montanes enjoys a break of serve early in the second set.
3-6 - Verdasco breaks to take the first set.
3-5 - Verdasco looking assured. Holds serve. One game from the opening set.
3-4 - Still the one break between them. Verdasco's turn to serve.
2-4 - Spain's love affair with the clay courts can be found in the play of these men. They like to trade blows from deep. Verdasco is doing it better. He leads by two.
2-3 - Montanes survives his service game despite some scrutiny.
1-3 - Verdasco moves two clear. He is fairly rampaging around the court.
1-2 - Montanes is off the mark. He cannot afford to let Verdasco gain any impetus being a break down.
0-2 - Like Djokovic, Verdasco is off to a quick start.
0-1 - Verdasco breaks in the opening game courtesy of a patient approach.
0-0 - They're out on court. The winner will face Novak Djokovic in the last four. Verdasco has won all three meetings between the pair. He must start a warm favourite.
6-3 - A stunning drop shot completes the win. Djokovic will play Albert Montanes or Fernando Verdasco in the last four.
5-3 - Djokovic survives a couple of break points. He is one game from the last four.
4-3 - Nalbandian recovers well to hold serve. He benefits from a ball hitting the top of the net and toppling over, but remains one break down.
4-2 - Nalbandian pushes hard to restore parity, but Djokovic protects his break. He leads by two.
3-2 - Nalbandian holds to stay in touch, but is still a break down.
3-1 - Djokovic negotiates another service game to lead 3-1.
2-1 - Nalbandian finally finds some consistency on his serve. He trails by one.
2-0 - There appears little chance of an upset as Djokovic holds serve.
1-0 - Nalbandian won a measly five points on his serve in the first set. His struggles continue as Djokovic breaks in the first game of the second.
6-2 - Djokovic wraps up the first set in some style.
5-2 - Nalbandian drops his serve for a third time in the first set to fall two breaks behind.
4-2 - Djokovic holds serve to slow the Nalbandian recovery. He remains a break up.
3-2 - Nalbandian claims his second straight game to halt Djokovic's fast start.
3-1 - Nalbandian pulls one back.
3-0 - Djokovic is moving Nalbandian all over the court. He is racing through the first set.
2-0 - Djokovic holds serve to move two ahead.
1-0 - The top seed Djokovic breaks in the first. Maybe Nadal has given him inspiration.
2-6 - Nadal marches on. A powerful display from Nadal keeps him on course for a sixth straight title in Monte Carlo.
2-5 - Ferrero does well to stave off defeat, but he is only putting off the inevitable. Nadal will serve for the match.
1-5 - Ferrero cuts a forlorn figure between points. It looks like he will be trudging off court soon. Nadal's power and pace are simply too much for him, but there is no shame in that. David Ferrer will have his work cut out to halt Nadal in the semi-finals.
1-4 - Nadal breaks for a second time in the set. This suddenly feels like a procession towards the last four for the world number three.
1-3 - The game goes to 40-40, but Nadal holds his serve.
1-2 - Ferrero beat Nadal in their last meeting in Rome two years ago. The odds are against him revelling in a similar result here, but he remains in touch by holding serve.
0-2 - Nadal consolidates his break of serve to move two ahead.
0-1 - Ferrero finds himself in trouble. He produces a poor service game. Nadal can probably smell victory, even at this early stage in the set.
4-6 - Nadal produces some fine tennis to see out the set. The rain has gone. Ferrero could join it if he does not produce something exceptional in the second set.
4-5 - Nadal has won six out of the eight meetings between these men. He looks in good shape for a seventh after breaking Ferrero's serve with a thumping trademark forehand.
4-4 - Nadal holds serve by finding some nice angles on his groundstrokes. He has a new racket in hand as Ferrero serves.
4-3 - Ferrero smashes a forehand across court to complete a perfect service game. He holds without dropping a point.
3-3 - The rain delay has not affected Nadal. He levels up with minimal fuss.
3-2 - The players are back out. Ferrero will resume one game ahead with Nadal serving.
3-2 - A few umbrellas are up and the wind is blowing. The match officials are on court. The match is stopped due to rain. We'll be back with this one as soon as the players return.
3-2 - Ferrero moves ahead for the first time as Nadal continues to struggle with his timing in the elements.
2-2 - The conditions are hardly ideal. Ferrero seems to handle them better than Nadal. A couple of fine shots allow him to break back.
1-2 - Clay seems to blow into the eyes of a startled Nadal. Ferrero refuses to be blown off course and holds his service game to love.
0-2 - A sudden gust of wind fails to derail Nadal as he moves two games ahead.
0-1 - Nadal powers to the first game. An early break spells bad news for Ferrero.
0-0 - The crowd should savour this match. Ferrero v Nadal. Two former French Open champions and two former winners in Monte Carlo. They are renowned for their love of clay.
7-6 - Ferrer takes charge in the tie-break winning it 7-1. Kohlschreiber makes a mess of an attempted backhand, and Ferrer is into the last four. He could face fellow Spaniard Rafael Nadal, which will prove a much tougher task.
6-6 - Ferrer holds serve and we're into a tie-break.
5-6 - From cutting a dejected figure, Kohlschreiber is suddenly reinvigorated.
5-5 - A poor service game from Ferrer allows Kohlschreiber to break back.
5-4 - The German keeps his faint hopes alive, but Ferrer will serve for the match.
5-3 - Ferrer drills a booming forehand away. He is within one game of the last four.
4-3 - Kohlschreiber holds serve. He can't afford any more mistakes.
4-2 - Ferrer seems destined for the last eight.
3-2 - Ferrer breaks again. He seems well in control.
2-2 - Ferrer wastes little time in levelling the match.
1-2 - Kohlschreiber drops serve. This is becoming a pattern. The German seems to be lacking consistency.
0-2 - Suddenly it is Ferrer's turn to misfire. Kohlschreiber breaks to lead 2-0 - the same position he was in a set ago.
0-1 - After 48 minutes of play, Ferrer finds himself a set up. Kolschreiber looks more assured in winning the opening game of the second set.
7-5 - Ferrer sees out the set with some ease.
6-5 - Kohlschreiber completes a forgettable game by emptying a weak forehand into the net. Ferrer will serve for the first set.
5-5 - Ferrer levels up. This looks destined for a tie-break.
4-5 - Kolhschreiber keeps the pressure on his opponent.
4-4 - A booming backhand from Kohlschreiber down the line leaves Ferrer stranded. We're back on serve.
4-3 - Ferrer's penchant for the longer rally takes its toll on his opponent. The Spaniard is suddenly up a break.
3-3 - A comfortable service hold for Ferrer.
2-3 - There is some fine play in this match. Kolschreiber pulls off a diving drop volley that is loaded with back spin. He edges ahead.
2-2 - A delicate little drop shot allows Ferrer to level.
1-2 - Ferrer responds immediately. He claims the break and the match is back on serve.
0-2 - Kohlschreiber certainly looks relaxed enough in this quarter. He breaks serve in the second.
0-1 - And Kohlschreiber, the conquerer of Andy Murray, has held serve in his first game of the day.
0-0 - Hello and welcome to our live coverage of today's action from the Monte Carlo Masters!