PARIS - JUNE 03:  Jelena Jankovic of Serbia stretches for a return during the Women's Singles Quarter Final match against Carla Suarez Navarro of Spain on day ten of the French Open at Roland Garros on June 3, 2008 in Paris, France.  (Photo by Mike Hewitt/Getty Images)
PARIS, FRANCE - MAY 30:  Garbine Muguruza of Spain serves in her Women's Singles match against Jelena Jankovic of Serbia during day five of the French Open at Roland Garros on May 30, 2013 in Paris, France.  (Photo by Julian Finney/Getty Images)
PARIS, FRANCE - MAY 30: Garbine Muguruza of Spain plays a forehand in her Women's Singles match against Jelena Jankovic of Serbia during day five of the French Open at Roland Garros on May 30, 2013 in Paris, France.  (Photo by Julian Finney/Getty Images)
PARIS - JUNE 03:  Jelena Jankovic of Serbia looks on during the Women's Singles Quarter Final match against Carla Suarez Navarro of Spain on day ten of the French Open at Roland Garros on June 3, 2008 in Paris, France.  (Photo by Mike Hewitt/Getty Images)