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By Caroline Cheese

1346: Wow. Stosur is playing some magnificent tennis here. The Aussie belts another sizzling forehand winner to set up three set points and she only need one, taking it 6-2. If Stosur continues playing at this level, I can't see how Serena will get back into this.

1342: After holding off the Williams charge in the last game, Sam Stosur uses her fearsome forehand to great effect to break serve for a 4-2 lead against the world number one.

1341: British interest in the junior singles is over after Ashley Hewitt loses what looked (from the scoreboard anyway) like a tight match against 11th-seeded Argentine Renzo Olivo 6-4 7-6 (7-3) in the second round. Oliver Golding and his Russian partner are still going in the junior doubles.

1337: Two break points for Sam Stosur to contend with in a gruelling game, in which Williams is in full onslaught mode. The Aussie saves both, the second with some world-class play. Serena is in control of the point, but then opts to come in. Stosur wallops a forehand at the American's toes and though Serena just about picks it up, Stosur puts away the short ball - and sits down with a 3-2 lead. Over on Lenglen, Jankovic has recovered the early break and is 4-3 on serve against Shvedova.

Greg Rusedski on Twitter: "Great start Stosur and Serena match, could be match of day and if Stosur believes could be major upset. Still think Serena will squeak it."

1329: Yikes, I think that was a drop shot attempt by Serena - which landed halfway between the service line and baseline. No long-term harm done though and she comes through to make it 2-2. It's a decent match-up so far, both players hitting the ball terrifyingly hard.

1320: Sam Stosur rocks Serena Williams with a massive forehand, not an easy task, to earn a break point straight away , and it's a winner off the forehand side which earns her a second chance... Williams, though, bangs down two big serves to save both and makes it 1-1.

1316: According to Sam Smith on the Red Button, Serena Williams is playing in her 30th Grand Slam semi-final, Sam Stosur her second. The Aussie is off to a good start though, holding her opening service game. Over on Lenglen in the other women's quarter-final, Kazakh surprise package Yaroslava Shvedova is already a break up over fourth seed Jelena Jankovic.

1312: First up on Chatrier today, it's an intriguing quarter-final between world number one and top seed Serena Williams and Aussie Sam Stosur. Stosur knocked out Justine Henin in the last round and was a semi-finalist in Paris last year. This match is live on the BBC Red Button, the BBC website (UK only) and BBC 5 live Sports Extra. To follow on that trio, Rafa Nadal v Nicolas Almagro. Super exciting.

1307: Big love for Paris today as it finally provides some half-decent weather. The official Roland Garros forecast even predicts "spells of sunshine". Spells of what? It all comes a day too late for Roger Federer, who struggled in the cold and damp conditions against an inspired Rockin' Robin Soderling. Match of the tournament for me, that one, but maybe there's better in store today?

1300: Hello there. I'm still stunned. Tomas Berdych through to the semi-finals of a Grand Slam for the first time... Crikey, I just didn't think he had it in him.

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