
Mischa Zverev of Germany celebrates after the men's singles third round match against John Isner of the United States at the 2017 US Open in New York, the United States, Sept. 1, 2017. Mischa Zverev won 3-0. (Xinhua/Qin Lang)

Mischa Zverev of Germany celebrates after the men's singles third round match against John Isner of the United States at the 2017 US Open in New York, the United States, Sept. 1, 2017. Mischa Zverev won 3-0. (Xinhua/Qin Lang)