LONDON, ENGLAND - JULY 11: The worn grass on Centre Court during day twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 11, 2015 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 11: The worn grass on Centre Court during day twelve of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 11, 2015 in London, England. (Photo by Julian Finney/Getty Images)