
Victoria Azarenka of Belarus returns the ball against Petra Kvitova of the Czech Republic during the women's singles second round match at the 2015 Rogers Cup in Toronto, Canada, on Aug. 12, 2015. Victoria Azarenka won 2-0. (Xinhua/Zou Zheng)

Victoria Azarenka of Belarus returns the ball against Petra Kvitova of the Czech Republic during the women's singles second round match at the 2015 Rogers Cup in Toronto, Canada, on Aug. 12, 2015. Victoria Azarenka won 2-0. (Xinhua/Zou Zheng)