Karolina Pliskova of the Czech Republic hits a return to Venus Williams of the United States during a women's singles fourth round match at the 2016 U.S. Open in New York, the United States, Sept. 5, 2016. Pliskova won 2-1. (Xinhua/Bao Dandan)
Karolina Pliskova of the Czech Republic hits a return to Venus Williams of the United States during a women's singles fourth round match at the 2016 U.S. Open in New York, the United States, Sept. 5, 2016. Pliskova won 2-1. (Xinhua/Bao Dandan)