Russia's Vera Zvonareva moved up to second just behind Denmark's Caroline Wozniacki, who went out in the first round in Toronto.
American Serena Williams jumped 49 places to 31st after winning her second straight title at Toronto, and could be seeded for the US Open where she will target a 14th Grand Slam.
Rankings
1. Caroline Wozniacki (DEN) 9915 pts
2. Vera Zvonareva (RUS) 7045 (+1)
3. Kim Clijsters (BEL) 7625 (-1)
4. Victoria Azarenka (BLR) 6390
5. Li Na (CHN) 5671 (+1)
6. Petra Kvitova (CZE) 5561 (+1)
7. Maria Sharapova (RUS) 5446 (-2)
8. Francesca Schiavone (ITA) 4955
9. Marion Bartoli (FRA) 4325
10. Samantha Stosur (AUS) 3775 (+1)
11. Andrea Petkovic (GER) 3530 (-1)
12. Agnieszka Radwanska (POL) 3335
13. Svetlana Kuznetsova (RUS) 2751 (-2)
14. Jelena Jankovic (SRB) 2710
15. Peng Shuai (CHN) 2600 (+2)
16. Dominika Cibulkova (SVK) 2595 (+2)
17. Ana Ivanovic (SRB) 2415 (-1)
18. Anastasia Pavlyuchenkova (RUS) 2410 (-5)
19. Roberta Vinci (ITA) 2350 (+3)
20. Julia Goerges (GER) 2335
Clijsters drops to third in rankings
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