2009 French Open - Day 6 (30 images)

Second seeded Serena Williams of the US serves against Maria Jose Martinez Sanchez of Spain during their third round match of the French Tennis Open at Roland Garros, near Paris, May 30, 2009. Williams won 6-4, 3-6, 6-4. (UPI Photo/Eco Clement)

Second seeded Roger Federer of Switzerland returns the ball against Paul-Henri Mathieu of France during their third round match of the French Tennis Open at Roland Garros, near Paris, May 30, 2009. Williams won 4-6, 6-1, 6-4, 6-4. (UPI Photo/Eco Clement)

Chilean Fernando Gonzalez reacts after a shot during his French Open fourth-round match against Romanian Victor Hanescu at Roland Garros in Paris on May 31, 2009. Gonzalez defeated Hanescu 6-2, 6-4, 6-2. (UPI Photo/ David Silpa)

Twentieth seeded Dominika Cibulkova of Slovakia hits a return against Agnes Szavay of Hungary during their quarter final qualifying match of the French Tennis Open at Roland Garros, near Paris May 31, 2009. Cibulkova won 6-2, 6-4. (UPI Photo/Eco Clement)