LONDON, ENGLAND - JULY 05: A general view of the Royal Box on Centre Court during the Gentlemen's Singles semi-final match between Novak Djokovic of Serbia and Juan Martin Del Potro of Argentina on day eleven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 5, 2013 in London, England. (Photo by Clive Brunskill/Getty Images)
