2009 Rogers Cup – Women's singles

Elena Dementieva defeated Maria Sharapova in the final, 6–4, 6–3 to win the women's singles tennis title at the 2009 Canadian Open.

Dinara Safina was the defending champion, but lost in the second round to Aravane Rezaï.

Seeds
The top eight seeds receive a bye into the second round.


 * 1) 🇷🇺 Dinara Safina (second round)
 * 2) 🇺🇸 Serena Williams (semifinals)
 * 3) 🇺🇸 Venus Williams (second round)
 * 4) 🇷🇺 Elena Dementieva (champion)
 * 5) 🇷🇸 Jelena Janković (quarterfinals)
 * 6) 🇷🇺 Svetlana Kuznetsova (second round)
 * 7) 🇷🇺 Vera Zvonareva (third round)
 * 8)  Caroline Wozniacki (second round)
 * 9) 🇧🇾 Victoria Azarenka (second round)
 * 10) 🇷🇺 Nadia Petrova (first round)
 * 11) 🇷🇸 Ana Ivanovic (second round)
 * 12) 🇮🇹 Flavia Pennetta (second round)
 * 13) 🇫🇷 Marion Bartoli (first round)
 * 14) 🇵🇱 Agnieszka Radwańska (quarterfinals)
 * 15) 🇫🇷 Amélie Mauresmo (first round)
 * 16) 🇸🇰 Dominika Cibulková (second round)