2009 Western & Southern Financial Group Women's Open – Singles


was the defending champion of tournament's last edition, but lost in the first round to Alyona Bondarenko. Jelena Janković won in the final 6-4, 6-2 against World No. 1 Dinara Safina.
This tournament marked the return of Kim Clijsters from the sport after her first retirement.

Seeds

The top eight seeds receive a bye into the second round.
  1. Dinara Safina '
  2. Serena Williams '
  3. Venus Williams '
  4. Elena Dementieva '
  5. Jelena Janković
  6. Svetlana Kuznetsova '
  7. Vera Zvonareva '
  8. Caroline Wozniacki '
  9. Victoria Azarenka '
  10. Nadia Petrova '
  11. Ana Ivanovic '
  12. Marion Bartoli '
  13. Agnieszka Radwańska '
  14. Flavia Pennetta '
  15. Dominika Cibulková '
  16. Virginie Razzano

    Main draw

Finals

Top half

Section 1

Section 2

Bottom half

Section 3

Section 4