Serbia's Novak Djokovic plays a return behind his back against US player Denis Kudla during their men's singles second round match on the third day of the 2019 Wimbledon Championships at The All England Lawn Tennis Club in Wimbledon, southwest London, on July 3, 2019. (Photo by Ben STANSALL / AFP) / RESTRICTED TO EDITORIAL USE (Photo credit should read BEN STANSALL/AFP/Getty Images)
