Sony Ericsson WTA Tour Singles Rankings

As of  January 30, 2012

1. Victoria Azarenka (BLR)

2. Petra Kvitova (CZE)

3. Maria Sharapova (RUS)

4. Caroline Wozniacki (DEN)

5. Samantha Stosur (AUS)

6. Agnieszka Radwanska (POL)

7. Marion Bartoli (FRA)

8. Vera Zvonareva (RUS)

9. Li, Na (CHN)

10. Andrea Petkovic (GER)