Czech Republic's Petra Kvitova celebrates after winning against Kazkhstan's Yaroslava Shvedova their women's quarterfinal tennis match of the French Open at the Roland Garros stadium in Paris. (AFP Photo)
Petra Kvitova is congratulated by Yaroslava Shvedova after winning their women's quarterfinal tennis match of the French Open tennis tournament at the Roland Garros stadium, on June 6, 2012 in Paris. (AFP Photo)
Russia's Maria Sharapova reacts after a point as she plays against Estonia's Kaia Kanepi during their Women's Singles quarter-finals match of the French Open tennis tournament at the Roland Garros stadium in Paris. (AFP Photo)
Russia's Maria Sharapova shakes hands with Estonia's Kaia Kanepi after winning their Women's Singles quarter-finals tennis match of the French Open tennis tournament at the Roland Garros stadium in Paris. (AFP Photo)
Spain's Rafael Nadal hits a return to Spain's Nicolas Almagro during their Men's Singles quarter-finals tennis match of the French Open tennis tournament at the Roland Garros stadium in Paris. (AFP Photo)
Spain's Rafael Nadal reacts after winning over Spain's Nicolas Almagro during their Men's Singles quarter-finals tennis match of the French Open tennis tournament at the Roland Garros stadium in Paris. (AFP Photo)