Can Federer survive del Potro test?
After a wild week in Montreal and Toronto, who knows what will happen in Cincinnati.
Rafael Nadal, Roger Federer and Andy Murray failed to reach the quarterfinals in the men's event, while Wimbledon champion Petra Kvitova, French Open winner Li Na, Wimbledon runner-up Maria Sharapova and world No. 1 Caroline Wozniacki were all bounced prior to the last eight in the women's tourney. True.
Not so unpredictable were the eventual titlists in Canada, Novak Djokovic and Serena Williams. ...
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