AFP - Russia's Dinara Safina, who has never won a grand slam, on Monday took over the number one spot in the WTA rankings from Serena Williams.
  
In the latest standings the 22-year-old Safina moves up to 8951 points, with Williams in second on 8272.
  
The biggest mover in the women's charts was Slovakia's Dominika Cibulkova, who went from 19th to 17th on the back of her quarter-final appearance at Charleston.
  

  
WTA rankings
  
1. Dinara Safina (RUS)            8951 pts
  
2. Serena Williams (USA)          8272 (-1)
  
3. Elena Dementieva (RUS)         7391
  
4. Jelena Jankovic (SRB)          7350
  
5. Venus Williams (USA)           7102
  
6. Vera Zvonareva (RUS)           6270
  
7. Ana Ivanovic (SRB)             5174
  
8. Victoria Azarenka (BLR)        4646
  
9. Svetlana Kuznetsova (RUS)      4308
  
10. Nadia Petrova (RUS)            3840
  
11. Caroline Wozniacki (DEN)       3790 (+1)
  
12. Agnieszka Radwanska (POL)      3606 (-1)
  
13. Marion Bartoli (FRA)           3304
  
14. Flavia Pennetta (ITA)          3040
  
15. Alizé Cornet (FRA)             2665
  
16. Zheng Jie (CHN)                2501
  
17. Dominika Cibulkova (SVK)       2415 (+2)
  
18. Anabel Medina (ESP)            2385
  
19. Kaia Kanepi (EST)              2310 (+1)
  
20. Patty Schnyder (SUI)           2269 (-3)