France's Jo-Wilfried Tsonga serves against France's Richard Gasquet during 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 PHOTO / JUSTIN TALLIS / RESTRICTED TO EDITORIAL USE        (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)