see more

LONDON, ENGLAND - JULY 12: A general view of court one as Gilles Muller of Luxembourg serves during the Gentlemen's Singles quarter final match against Marin Cilic of Croatia on day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 12, 2017 in London, England. (Photo by Shaun Botterill/Getty Images)

LONDON, ENGLAND - JULY 12:  A general view of court one as Gilles Muller of Luxembourg serves during the Gentlemen's Singles quarter final match against Marin Cilic of Croatia  on day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 12, 2017 in London, England.  (Photo by Shaun Botterill/Getty Images)