
Andrey Rublev of Russia serves to Rafael Nadal of Spain during the men's singles quarterfinal match at the 2017 U.S. Open in New York, the United States, Sept. 6, 2017. Andrey Rublev lost 0-3. (Xinhua/Qin Lang)

Andrey Rublev of Russia serves to Rafael Nadal of Spain during the men's singles quarterfinal match at the 2017 U.S. Open in New York, the United States, Sept. 6, 2017. Andrey Rublev lost 0-3. (Xinhua/Qin Lang)