
Agnieszka Radwanska of Poland returns to Coco Vandeweghe of the United States during their first round of women's singles match at the 2017 Rogers Cup in Toronto, Canada, Aug. 8, 2017. Agnieszka Radwanska of Poland won 2-0. (Xinhua/Zou Zheng)

Agnieszka Radwanska of Poland returns to Coco Vandeweghe of the United States during their first round of women's singles match at the 2017 Rogers Cup in Toronto, Canada, Aug. 8, 2017. Agnieszka Radwanska of Poland won 2-0. (Xinhua/Zou Zheng)