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Belarus's Victoria Azarenka receives attention after falling heavily on court during a point against Portugal's Maria Joao Kohler during their women's first round match on day one of the 2013 Wimbledon Championships tennis tournament at the All England Club in Wimbledon, southwest London, on June 24, 2013. AFP PHOTO / BEN STANSALL - RESTRICTED TO EDITORIAL USE (Photo by Ben STANSALL / AFP) (Photo credit should read BEN STANSALL/AFP via Getty Images)

Belarus's Victoria Azarenka receives attention after falling heavily on court during a point against Portugal's Maria Joao Kohler during their women's first round match on day one of the 2013 Wimbledon Championships tennis tournament at the All England Club in Wimbledon, southwest London, on June 24, 2013. AFP PHOTO / BEN STANSALL -  RESTRICTED TO EDITORIAL USE (Photo by Ben STANSALL / AFP)        (Photo credit should read BEN STANSALL/AFP via Getty Images)