Semi-final result:

N VAIDISOVA Cze v S KUZNETSOVA Rus

7-5 6-7 (5-7) 2-6

Game-by-game updates:

Third set:

Vaidisova 7-5 6-7 (5-7) 2-6 Kuznetsova
Kuznetsova completes an unlikely comeback with an ace to reach her first French Open final.

Vaidisova 7-5 6-7 (5-7) 2-5 Kuznetsova
Vaidisova receives a huge ovation from the crowd, who clearly want this semi-final to go on.

Vaidisova 7-5 6-7 (5-7) 1-5 Kuznetsova
Vaidisova gets to 15-30 but Kuznetsova quickly recovers and moves to within a game of the final.

Vaidisova 7-5 6-7 (5-7) 1-4 Kuznetsova
Vaidisova gets her side of the scoreboard ticking over in this set. Given the nature of this match so far, you wouldn't rule out a comeback.

Vaidisova 7-5 6-7 (5-7) 0-4 Kuznetsova
Vaidisova shows signs of recovery by taking this game to deuce but she cannot take it and she is running out of time now.

Vaidisova 7-5 6-7 (5-7) 0-3 Kuznetsova
Vaidisova has lost her head. She's going for outrageous winners, and Kuznetsova just has to sit back and wait for the errors. It's not pretty to watch.

Vaidisova 7-5 6-7 (5-7) 0-2 Kuznetsova
Kuznetsova posts the first love service game of this see-saw match.

Vaidisova 7-5 6-7 (5-7) 0-1 Kuznetsova
Vaidisova walked straight off court for a 'bathroom break' after losing the last set but the momentum is now with her opponent. With Vaidisova still making too many errors, the Russian breaks immediately.

Second set:

"It's very difficult to predict this match but I guess you would have to favour Kuznetsova now. It's not high quality - the best you can say about it is it's very dramatic."
BBC analyst John Lloyd

Vaidisova 7-5 6-7 (5-7) Kuznetsova
Vaidisova is in complete control of the point at 5-5, having fought back from 5-2 down, but she whips an easy forehand wide and leaves Kuznetsova with a point to level the match. Vaidisova obliges by putting a backhand long.

Vaidisova 7-5 6-6 Kuznetsova
Vaidisova wins herself yet more admirers by hanging on to take the set into a tiebreak.

"You have to expect to get tight in your first Grand Slam semi-final, but it was such a quick collapse for Vaidisova. Now she's really got to dig deep and forget about the scoreline."
BBC analyst John Lloyd

Vaidisova 7-5 5-6 Kuznetsova
Vaidisova suddenly looks rattled, staring at her racquet accusingly and then at her coach. Kuznetsova holds and must be favourite for this set now.

Vaidisova 7-5 5-5 Kuznetsova
Finally, Vaidisova shows her age. Kuznetsova does little more than keep the ball in play but the 17-year-old makes several wild errors and ends the game on a double.

Vaidisova 7-5 5-4 Kuznetsova
Kuznetsova unconvincingly holds serve - and now we will see if Vaidisova can hold her nerve for one more game.

Vaidisova 7-5 5-3 Kuznetsova
Vaidisova wins a vital point with some wonderfully assured play to make it 40-15 and there is still no sign of nerves from the teenager - who is now within a game of her maiden Grand Slam final

Vaidisova 7-5 4-3 Kuznetsova
Vaidisova's focus slips a little and several unforced errors allow Kuznetsova to hold easily.

"Kuznetsova is looking at her coach after almost every point now, as if to say 'what do I do?' That's not a good sign."
BBC analyst John Lloyd

Vaidisova 7-5 4-2 Kuznetsova
Kuznetsova is frustrated again as at 30-30, Vaidisova delivers a huge serve out wide and goes on to stretch her lead again.

Vaidisova 7-5 3-2 Kuznetsova
Kuznetsova allows herself a smile as a mishit smash gives her a 40-15 lead. She'll take what she can get at the moment and she is at least still in this set.

Vaidisova 7-5 3-1 Kuznetsova
There is no sign of Vaidisova letting up - her serve, in particular, has been hugely impressive.

Vaidisova 7-5 2-1 Kuznetsova
It looks like getting even worse for the Russian when a double fault gives Vaidisova a chance to take a 3-0 lead - but Kuznetsova somehow survives.

Vaidisova 7-5 2-0 Kuznetsova
Vaidisova boldly saves a break point with an ace and goes on to make it six games in a row.

Vaidisova 7-5 1-0 Kuznetsova
Kuznetsova delivers an ace to stave off one break point - her third of the match. But it's a brief respite for the nervy Russian who is down already in the second set.

First set:

"I don't think Vaidisova has played particularly well in this match - she's been handed the set. Kuznetsova has to free herself of these nerves and at least make Vaidisova play."
BBC analyst John Lloyd

Vaidisova 7-5 Kuznetsova
Vaidisova pockets the first set - but what has happened to Kuznetsova? Three lame errors gift her opponent a 40-0 lead and the 17-year-old needs no second invitation.

Vaidisova 6-5 Kuznetsova
Kuznetsova has managed to land only 40% of her first serves so far and she is made to pay. Vaidisova now has a chance to serve for the set.

Vaidisova 5-5 Kuznetsova
Kuznetsova seems still to be thinking about the last game as she allows Vaidisova quickly establishes a 40-0 lead. The Czech teenager serves two double faults to give Kuznetsova hope but gets herself out of trouble eventually.

"Kuznetsova was guilty of thinking ahead there - she need to stay in the moment. That was a very poor game."
BBC analyst John Lloyd

Vaidisova 4-5 Kuznetsova
The longest point of the match so far ends when Vaidisova smacks a backhand down the line to earn a break-back point. Kuznetsova crumbles under the pressure and puts a routine forehand into the net and we're back on serve.

Vaidisova 3-5 Kuznetsova
Vaidisova plays with fire by falling to 0-30 on her serve for the second game in succession. This time she does have to face break points and though she staves off two, Kuznetsova pounces on a third and will serve for the opening set.

Vaidisova 3-4 Kuznetsova
As the set nears the business end, neither player looks like buckling - but can the inexperienced Vaidisova hold her nerve?

Vaidisova 3-3 Kuznetsova
Vaidisova angrily slaps her foot with her racquet as she double-faults to lose the first point. She falls to 0-30 but recovers to win the next four points and hang on.

Vaidisova 2-3 Kuznetsova
Kuznetsova is forced to save another break point - and goes on to take the game with a running forehand pass which drops onto the baseline.

Vaidisova 2-2 Kuznetsova
Vaidisova settles her nerves with a confident service game.

Vaidisova 1-2 Kuznetsova
Kuznetsova is rattled when she is foot-faulted - a very rare occurrence at Roland Garros. Vaidisova takes advantage of several weak second serves to earn two break points but the Russian hangs on.

Vaidisova 1-1 Kuznetsova
Vaidisova races into a 40-15 lead but a couple of forehand errors land her in trouble. Two huge serves help her save break points and the teenager is off the mark.

Vaidisova 0-1 Kuznetsova
No prizes for guessing that this match will be fought on the baseline. Kuznetsova gets the better of the opening exchanges and holds.