LONDON, ENGLAND - JULY 07: Serena Williams of the United States plays a backhand in her Ladies Singles Quarter Final match against Victoria Azarenka of Belarus during day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 7, 2015 in London, England. (Photo by Ian Walton/Getty Images)
DOHA, QATAR - DECEMBER 03: Kim Kyung Ryun of the Republic of Korea (South Korea) competes against Japan in the Women's Team Final Soft Tennis Match during the 15th Asian Games Doha 2006 at Khalifa International Tennis and Squash Complex on December 3, 2006 in Doha, Qatar. (Photo by Ian Walton/Getty Images for DAGOC) *** Local Caption *** Kim Kyung Ryun