
Sloane Stephens of the United States celebrates during the quarterfinal match of women's singles against Lucie Safarova of the Czech Republic at the 2017 Rogers Cup in Toronto, Canada, Aug. 11, 2017. Sloane Stephens won 2-1. (Xinhua/Zou Zheng)

Sloane Stephens of the United States celebrates during the quarterfinal match of women's singles against Lucie Safarova of the Czech Republic at the 2017 Rogers Cup in Toronto, Canada, Aug. 11, 2017. Sloane Stephens won 2-1. (Xinhua/Zou Zheng)