2009 US Open – Women's Singles

Kim Clijsters defeated  Caroline Wozniacki in the final 7–5, 6–3. Serena Williams, the defending champion, lost to Clijsters in the semifinals.

Seeds

 Dinara Safina (Third Round)
 Serena Williams (Semifinals)
 Venus Williams (Fourth Round)
 Elena Dementieva (Second Round)
 Jelena Janković (Second Round)
 Svetlana Kuznetsova (Fourth Round)
 Vera Zvonareva (Fourth Round)
 Victoria Azarenka (Third Round)
 Caroline Wozniacki (Final)
 Flavia Pennetta (Quarterfinals)
 Ana Ivanović (First Round)
 Agnieszka Radwańska (Second Round)
 Nadia Petrova (Fourth Round)
 Marion Bartoli (Second Round)
 Samantha Stosur (Second Round)
 Virginie Razzano (First Round)

<li>  Amélie Mauresmo (Second Round)
<li>  Na Li (Quarterfinals)
<li>  Patty Schnyder (Second Round)
<li>  Anabel Medina Garrigues (Second Round)
<li>  Zheng Jie (Third Round)
<li>  Daniela Hantuchová (Fourth Round)
<li>  Sabine Lisicki (Second Round)
<li>  Sorana Cîrstea (Third Round)
<li>  Kaia Kanepi (First Round)
<li>  Francesca Schiavone (Fourth Round)
<li>  Alisa Kleybanova (First Round)
<li>  Sybille Bammer (First Round)
<li>  Maria Sharapova (Third Round)
<li>  Alyona Bondarenko (Second Round)
<li>  Elena Vesnina (Third Round)
<li>  Ágnes Szávay (First Round)

Draw

Finals

Top Half
Section 1

Section 2

Section 3

Section 4

Bottom Half
Section 5

Section 6

Section 7

Section 8

Other websites
 Official site of US Open

Women's Singles