Mischa Zverev Pictures
LONDON, ENGLAND - JULY 08: Roger Federer of Switzerland and Mischa Zverev of Germany shake hands after their Gentlemen's Singles third round match on day six of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 8, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)