2 Great Semis: Serena v Azarenka, Djokovic v Tsonga

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The US Open Series continues in Canada this week with the men playing in Montreal and the women in Toronto (the two tournaments alternate between the two major cities every year). In Toronto, Serena Williams is the last big name standing (after Sharapova, Li Na, Clijsters and Bartoli all lost early); she survived a scare from go-for-broke Lucie Safarova to win 4-6 6-3 6-2 in 2 hours 4 minutes to book a place in the semifinals against Victoria Azarenka. The other semifinal will be Aggie Radwanska versus 2010 French Open finalist Sam Stosur.

On the men's side, World #1 Novak Djokovic continues to play at a different, superior level from the rest of the field, demolishing an in-form Gael Monfils 6-1 6-2 to set up a semifinal with one of the few players on the tour who own a head-to-head advantage over him, Jo-Wilfried Tsonga. Earlier in the week, Murray, Nadal, Federer and Del Potro all lost. Djokovic and Tsonga last met in the Wimbledon semifinals, where they played the most entertaining match of the tournament before Djokovic won in 4 sets. Curiously, both in that tournament and in this one, Tsonga had beaten Roger Federer in an earlier round. Tsonga leads the head-to-head 5-3 but lost their most important match-up, the 2008 Australian Open final.

They should both be two excellent matches, but I predict Serena and Djokovic will be left standing and will probably win their respective tournaments on the way to the 2011 US Open (which I just got tickets to for 3rd and 4th round action!)