WTA Tour Rankings 2011 (Last Updated : 31 January)

Women's Singles

1. Caroline Wozniacki (DEN)

2. (+1) Kim Clijsters (BEL)

3. (-1) Vera Zvonareva (RUS)

4. (+3) Francesca Schiavone (ITA)

5. (+1) Samantha Stosur (AUS)

6. (-1) Venus Williams (USA)

7. (+4) Li Na (CHN)

8. Jelena Jankovic (SRB)

9. Victoria Azarenka (BLR)

10. (+4) Agnieszka Radwanska (POL)

11. (+1) Shahar Peer (ISR)

12. (-8) Serena Williams (USA)

13. (+3) Maria Sharapova (RUS)

14. (+4) Anastasia Pavlyuchenkova (RUS)

15. (+2) Marion Bartoli (FRA)

16. (+9) Flavia Pennetta (ITA)

17. (+4) Kaia Kanepi (EST)

18. (+10) Petra Kvitova (CZE)

19. (+1) Ana Ivanovic (SRB)

20. (-5) Nadia Petrova (RUS)

355. (+2) Lavinia Tananta (INA)

433. (+7) Jessy Rompies (INA)

456. (+3) Ayu Fani Damayanti (INA)

522. (-1) Sandy Gumulya (INA)

840. Voni Darlina (INA)

887. (+3) Cynthia Melita (INA)

892. (+3) Grace Sari Ysidora (INA)

962. (-2) Beatrice Gumulya (INA)

1074. (-8) Aldila Sutjiadi (INA)

Women's Doubles

1. Gisela Dulko (ARG)

2. Flavia Pennetta (ITA)

3. (+2) Kveta Peschke (CZE)

3. (+3) Katarina Srebotnik (SLO)

5. (-1) Vania King (USA)

6. (-3) Liezel Huber (USA)

7. Yaroslava Shvedova (KAZ)

8. (+4) Nadia Petrova (RUS)

9. (+5) Maria Kirilenko (RUS)

10. (-2) Lisa Raymond (USA)

179. (+1) Yayuk Basuki (INA)

266. Jessy Rompies (INA)

275. (-1) Lavinia Tananta (INA)

281. Ayu Fani Damayanti (INA)

702. (-2) Sandy Gumulya (INA)

820. (-5) Bella Destriana (INA)

820. (-5) Cynthia Melita (INA)

996. (-2) Beatrice Gumulya (INA)

1101. (-8) Laili Rahmawati Ulfa (INA)

1207. (-12) Grace Sari Ysidora (INA)

Source : WTA Tour