Rafael Nadal prepares to serve during his match against Karen Khachanov 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)
Rafael Nadal prepares to serve during his match against Karen Khachanov 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)