
Zhang Shuai of China hits a return during the women's singles first round match against Sabine Lisicki of Germany at the 2017 US Open tennis tournament in New York, the United States, Aug. 30, 2017. (Xinhua/Wang Ying)

Zhang Shuai of China hits a return during the women's singles first round match against Sabine Lisicki of Germany at the 2017 US Open tennis tournament in New York, the United States, Aug. 30, 2017. (Xinhua/Wang Ying)