
Karen Khachanov of Russia hits a return during the men's singles third round match against Rafael Nadal of Spain at the 2018 US Open in New York, the United States, Aug. 31, 2018. Nadal won 3-1. (Xinhua/Wang Ying)?
Karen Khachanov of Russia hits a return during the men's singles third round match against Rafael Nadal of Spain at the 2018 US Open in New York, the United States, Aug. 31, 2018. Nadal won 3-1. (Xinhua/Wang Ying)?