men single champion
2012 - Australlia open - Novak Djokovic - spain
2012 - French open - Rafael nadal - spain
2012 - Wimbeldon open - Roger Federar - Switzerland
2012 - U.S.open - Andy Murray - U.K.
woman single champion
2012 - Australlia open - Victoria Azarenka - Belarus
2012 - French open - Maria Sharapova - Russia
2012 - Wimbeldon open - Serena Williams - usa
2012 - U.S.open - serena williams - usa