Germany's Andrea Petkovic returns the ball to United States' Serena Williams at the Italian open tennis tournament in Rome, Wednesday, May 14, 2014. (AP Photo/Riccardo De Luca)

Italy Tennis Italian Open

Germany's Andrea Petkovic returns the ball to United States' Serena Williams at the Italian open tennis tournament in Rome, Wednesday, May 14, 2014. (AP Photo/Riccardo De Luca)

Top Ranked Players
More Rankings