Seeds: Caroline Wozniacki, Svetlana Kuznetsova, Venus Williams, Victoria Azarenka, Elena Dementieva, Jelena Jankovic, Aggie Radwanska, Na Li, Sam Stosur, Flavia Pennetta, Marion Bartoli, Vera Zvonareva, Yanina Wickmayer, Francesca Schiavone, Nadia Petrova, Jie Zheng

“John McEnroe turns 50 tomorrow — it’s incredible how well this guy still plays,” Sampras said following the match. “I’m in awe of it actually. At 50, it’s amazing to move that well. It’s pretty incredible.” McEnroe beat Sampras last year en route to the Boston title. Todd Martin won the third-place match when Jim Courier pulled out with a bad back.