WTA rankings on Monday (Last week's positions in brackets):
points
1. (1)Serena Williams (United States) 12,260
2. (2) Victoria Azarenka (Belarus) 9,505
3. (3) Maria Sharapova (Russia) 7,866
4. (4) Agnieszka Radwanska (Poland) 6,335
5. (6) Li Na (China) 5,565
6. (5) Sara Errani (Italy) 4,325
7. (7) Marion Bartoli (France) 3,746
8. (8) Caroline Wozniacki (Denmark) 3,645
9. (9) Angelique Kerber (Germany) 3,420
10. (12) Jelena Jankovic (Serbia) 3,245
11. (10) Petra Kvitova (Czech Republic) 3,170
12 (13) Roberta Vinci (Italy) 3,065
13. (16) Sloane Stephens (United States) 3,045
14. (14) Kirsten Flipkens (Belgium) 2,806
15. (20) Carla Suarez Navarro (Spain) 2,775
16. (18) Sabine Lisicki (Germany) 2,770
17. (15) Ana Ivanovic (Serbia) 2,720
18. (11) Samantha Stosur (Australia) 2,715
19. (19) Simona Halep (Romania) 2,630
20. (17) Maria Kirilenko (Russia) 2,620