Serena Williams has won the tennis Wimbledon Grand Slam tournament 2015 defeaeting the Spanish player Garbiñe Muguruza in the final 6-4 6-4.

The Swiss tennis player Stan Wawrinka has won the Grand Slam Roland Garros French Open 2015 defeating the Serbian player Novak Djokovic 4-6 6-4 6-3 6-4

The American player Serena Williams has won the tennis Grand Slam tournament of the Roland Garros French Open 2015 defeating the Czech Lucie Safarova 6-3 6-7 (2) 6-2 in the final.

Novak Djokovic has won the tennis Grand Slam tournament of the Australian Open 2015 defeating Andy Murray in the final 7-6 (5) 6-7 (4) 6-3 6-0. for the Serb it’s the 5th Australian Open title.

Serena Williams has won the tennis Grand Slam tournament of the Australian Open 2014 defeating the Russian Maria Sharapova in the final 6-3 7-6 (5). For the American player it’s the 6th Australian Open title, her 19th Grand Slam title.