A man stands with his umbrella during a rain delay during day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Lauren Davis of the USA attempts to chase down a service ace by Marion Bartoli of France in their Rogers Cup women's tennis match in Toronto on Wednesday, Aug. 7, 2013.Frank Gunn/The Canadian Press
Marion Bartoli of France serves to Lauren Davis of the U.S. during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Mona Barthel of Germany serves to Sloan Stephens of the U.S. during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Alize Cornet of France returns a shot to Maria Kirilenko of Russia during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Maria Kirilenko of Russia returns a shot to Alize Cornet of France during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Marion Bartoli of France returns a shot to Lauren Davis of the USA in their Rogers Cup women's tennis match in Toronto on Wednesday, Aug. 7, 2013.Frank Gunn/The Canadian Press
Li Na of China hits a forehand to Anastasia Pavlyuchenkova of Russia in their Rogers Cup women's tennis match in Toronto on Wednesday, Aug. 7, 2013.Frank Gunn/The Canadian Press
Li Na of China serves to Anastasia Pavlyuchenkova of Russia during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Sara Errani of Italy hits a return to Klara Zakopalova of the Czech Republic during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Sara Errani of Italy serves to Klara Zakopalova of the Czech Republic during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Sharon Fichman of Canada hits a return to Jelena Jankovic during their women's tennis match at day three of the Rogers Cup tennis tournament in Toronto, August 7, 2013.MARK BLINCH/Reuters
Serena Williams hits a return to Francesca Schiavone in their Rogers Cup women's tennis match in Toronto on Wednesday, Aug. 7, 2013.The Canadian Press
Serena Williams of the U.S. returns a shot to Francesca Schiavone of Italy during their women's singles match of the Rogers Cup tennis tournament in Toronto, August 7, 2013.Reuters
Fans hold giant pictures of Eugenie Bouchard of Canada while she plays Petra Kvitova of the Czech Republic during their women's singles match of the Rogers Cup tennis tournament in Toronto, August 7, 2013.Reuters
Eugenie Bouchard of Canada serves to Petra Kvitova of the Czech Republic in their Rogers Cup women's tennis match in Toronto on Wednesday, Aug. 7, 2013The Canadian Press
Petra Kvitova of the Czech Republic hits a return to Eugenie Bouchard of Canada during their women's singles match of the Rogers Cup tennis tournament in Toronto, August 7, 2013.Reuters
Eugenie Bouchard of Canada reacts after losing to Petra Kvitova of the Czech Republic following their Rogers Cup women's tennis match in Toronto on Wednesday, Aug. 7, 2013.Reuters