Britain's Andy Murray (top) shakes hands at the net with Australia's Nick Kyrgios (bottom) after Murray won their men's singles fourth round match on the eighth day of the 2016 Wimbledon Championships at The All England Lawn Tennis Club in Wimbledon, southwest London, on July 4, 2016. / AFP / JUSTIN TALLIS / RESTRICTED TO EDITORIAL USE        (Photo credit should read JUSTIN TALLIS/AFP via Getty Images)