France's Jo-Wilfried Tsonga plays a forehand return during his men's singles match against Japan's Kei Nishikori on day seven of the 2016 Australian Open tennis tournament in Melbourne on January 24, 2016. AFP PHOTO / WILLIAM WEST-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE / AFP / WILLIAM WEST        (Photo credit should read WILLIAM WEST/AFP/Getty Images)