PARIS, FRANCE - JUNE 03: Angelique Kerber of Germany celebrates victory in her women's singles fourth round match against Petra Martic of Croatia during day 8 of the French Open at Roland Garros on ... more 

PARIS, FRANCE - JUNE 03: Angelique Kerber of Germany celebrates victory in her women's singles fourth round match against Petra Martic of Croatia during day 8 of the French Open at Roland Garros on June 3, 2012 in Paris, France. (Photo by Clive Brunskill/Getty Images) less