
Naomi Osaka of Japan returns the ball against Jamie Loeb of the United States during the first round of women's singles qualifying match at the 2017 Rogers Cup in Toronto, Canada, Aug. 5, 2017. (Xinhua/Zou Zheng)

Naomi Osaka of Japan returns the ball against Jamie Loeb of the United States during the first round of women's singles qualifying match at the 2017 Rogers Cup in Toronto, Canada, Aug. 5, 2017. (Xinhua/Zou Zheng)