Serena Williams (champion) Venus Williams (quarterfinals) Caroline Wozniacki (fourth round) Jelena Janković (fourth round, retired due to back injury) Francesca Schiavone (first round) Samantha Stosur (first round) Agnieszka Radwańska (fourth round) Kim Clijsters (quarterfinals) Li Na (quarterfinals) Flavia Pennetta (third round) Marion Bartoli (fourth round) Nadia Petrova (third round) Shahar Pe'er (second round) Victoria Azarenka (third round) Yanina Wickmayer (third round) Maria Sharapova (fourth round) Justine Henin (fourth round) Aravane Rezaï (second round) Svetlana Kuznetsova (second round) Dinara Safina (withdrew) Vera Zvonareva (final) María José Martínez Sánchez (withdrew) Zheng Jie (second round) Daniela Hantuchová (second round) Lucie Šafářová (first round) Alisa Kleybanova (third round) Maria Kirilenko (third round) Alona Bondarenko (third round) Anastasia Pavlyuchenkova (third round) Yaroslava Shvedova (second round) Alexandra Dulgheru (third round) Sara Errani (third round) Melanie Oudin (second round) Kateryna Bondarenko (first round) Dinara Safina and
María José Martínez Sánchez withdrew due to injury; Safina with a lower back injury and Martínez Sánchez with a knee injury. They were replaced in the draw by the highest-ranked non-seeded players
Melanie Oudin and
Kateryna Bondarenko, who became the #33 and #34 seeds. ==Qualifying==