Serena Williams of the U.S. (L) and Victoria Azarenka of Belarus pose with the Ion Tiriac trophies after their women’s final match at the Madrid Open tennis tournament May 13, 2012. Williams won Azarenka at the Madrid Open final match .REUTERS/Juan Medina (SPAIN – Tags: SPORT TENNIS)

Serena Williams of the U.S. (L) and Victoria Azarenka of Belarus pose with the Ion Tiriac trophies after their women’s final match at the Madrid Open tennis tournament May 13, 2012. Williams won Azarenka at the Madrid Open final match .REUTERS/Juan Medina (SPAIN – Tags: SPORT TENNIS)