Women's rankings

WTA singles rankings as of 25 August 2014:

1. Serena Williams (US)

2. Simona Halep (Rom)

3. Li Na (Chn)

4. Petra Kvitova (Cze)

5. Agnieszka Radwanska (Pol)

6. Maria Sharapova (Rus)

7. Angelique Kerber (Ger)

8. Eugenie Bouchard (Can)

9. Ana Ivanovic (Ser)

10. Jelena Jankovic (Ser)

11. Caroline Wozniacki (Den)

12. Flavia Pennetta (Ita)

13. Dominika Cibulkova (Svk)

14. Sara Errani (Ita)

15. Lucie Safarova (Cze)

16. Carla Suarez Navarro (Spa)

17. Victoria Azarenka (Blr)

18. Ekaterina Makarova (Rus)

19. Andrea Petkovic (Ger)

20. Venus Williams (USA)

Britons in top 300:

46. Heather Watson

118. Johanna Konta

147. Naomi Broady

178. Laura Robson

272. Tara Moore

290. Samantha Murray