Serena Williams, of the USA, returns the ball to Georgia's Anna Tatishvili during their first round match of the French Open tennis tournament at the Roland Garros stadium Sunday, May 26, 2013 in Paris. (AP Photo/Petr David Josek)

Photo by: Petr David Josek

Serena Williams, of the USA, returns the ball to Georgia's Anna Tatishvili during their first round match of the French Open tennis tournament at the Roland Garros stadium Sunday, May 26, 2013 in Paris. (AP Photo/Petr David Josek)