Karen Khachanov reacts during his match against Rafael Nadal on day five of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon. (Photo by Gareth Fuller/PA Images via Getty Images)
Karen Khachanov reacts during his match against Rafael Nadal on day five of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon. (Photo by Gareth Fuller/PA Images via Getty Images)