Karen Khachanov of Russia hits a return during the men's singles third round match against Rafael Nadal of Spain at the Championship Wimbledon 2017 in London, Britain, on July 7, 2017. Nadal won 3-0. (Xinhua/Han Yan)
Karen Khachanov of Russia hits a return during the men's singles third round match against Rafael Nadal of Spain at the Championship Wimbledon 2017 in London, Britain, on July 7, 2017. Nadal won 3-0. (Xinhua/Han Yan)