
Katherine Sebov of Canada returns the ball against Ashleigh Barty of Australia during the first round of women's singles qualifying match at the 2017 Rogers Cup in Toronto, Canada, Aug. 5, 2017. (Xinhua/Zou Zheng)

Katherine Sebov of Canada returns the ball against Ashleigh Barty of Australia during the first round of women's singles qualifying match at the 2017 Rogers Cup in Toronto, Canada, Aug. 5, 2017. (Xinhua/Zou Zheng)