LONDON, ENGLAND - JULY 03:  Kei Nishikori of Japan plays a backhand during the Gentlemen's Singles first round match against Marco Cecchinato of Italy on day one of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 3, 2017 in London, England.  (Photo by Clive Brunskill/Getty Images)