Stan Wawrinka in action against Daniil Madvedev on day one of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon. (Photo by Steven Paston/PA Images via Getty Images)
Stan Wawrinka in action against Daniil Madvedev on day one of the Wimbledon Championships at The All England Lawn Tennis and Croquet Club, Wimbledon. (Photo by Steven Paston/PA Images via Getty Images)