PARIS, FRANCE - JUNE 03: Rafael Nadal of Spain blows out the candles on a giant birthday cake after victory in his Men's Singles match against Kei Nishikori of Japan during day nine of the French Open at Roland Garros on June 3, 2013 in Paris, France. (Photo by Matthew Stockman/Getty Images)
2013 French Open - Day Nine
PARIS, FRANCE - JUNE 03: Rafael Nadal of Spain waves to the crowd after being presented with a birthday cake after victory in his Men's Singles match against Kei Nishikori of Japan during day nine of the French Open at Roland Garros on June 3, 2013 in Paris, France. (Photo by Matthew Stockman/Getty Images)
2013 French Open - Day Nine
PARIS, FRANCE - JUNE 03: A giant birthday cake is carried onto the court for Rafael Nadal of Spain after his victory in the Men's Singles match against Kei Nishikori of Japan during day nine of the French Open at Roland Garros on June 3, 2013 in Paris, France. (Photo by Matthew Stockman/Getty Images)
2013 French Open - Day Nine
PARIS, FRANCE - JUNE 03: Rafael Nadal of Spain waves to the crowd after being presented with a birthday cake after victory in his Men's Singles match against Kei Nishikori of Japan during day nine of the French Open at Roland Garros on June 3, 2013 in Paris, France. (Photo by Matthew Stockman/Getty Images)
2013 French Open - Day Nine
PARIS, FRANCE - JUNE 03: Rafael Nadal of Spain waves to the crowd after being presented with a birthday cake after victory in his Men's Singles match against Kei Nishikori of Japan during day nine of the French Open at Roland Garros on June 3, 2013 in Paris, France. (Photo by Julian Finney/Getty Images)
2013 French Open - Day Nine
PARIS, FRANCE - JUNE 03: Rafael Nadal of Spain waves to the crowd after being presented with a birthday cake after victory in his Men's Singles match against Kei Nishikori of Japan during day nine of the French Open at Roland Garros on June 3, 2013 in Paris, France. (Photo by Julian Finney/Getty Images)