Andrea Petkovic of Germany reacts during her women's singles match against Stefanie Voegele of Switzerland at the French Open tennis tournament at the Roland Garros stadium in Paris May 29, 2014. ... more 
Andrea Petkovic of Germany reacts during her women's singles match against Stefanie Voegele of Switzerland at the French Open tennis tournament at the Roland Garros stadium in Paris May 29, 2014. REUTERS/Vincent Kessler (FRANCE - Tags: SPORT TENNIS) less 
1 / 23
Reuters | Photo By VINCENT KESSLER / REUTERS
Thu, May 29, 2014 9:06 AM EDT