Britain's Andy Murray reacts against Croatia's Ivo Karlovic during their men's singles fourth round match on day seven of the 2015 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 6, 2015. Murray won the match 7-6, 6-4, 5-7, 6-4. RESTRICTED TO EDITORIAL USE -- AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)
