Women's tennis rankings

WTA singles rankings as of 17 September, 2018

1. Simona Halep (Rom)

2. Caroline Wozniacki (Den)

3. Angelique Kerber (Ger)

4. Caroline Garcia (Fra)

5. Petra Kvitova (Cze)

6. Elina Svitolina (Ukr)

7. Naomi Osaka (Jpn)

8. Karolina Pliskova (Cze)

9. Sloane Stephens (US)

10. Jelena Ostapenko (Lat)

11. Julia Goerges (Ger)

12. Kiki Bertens (Ned)

13. Daria Kasatkina (Rus)

14. Garbine Muguruza (Spa)

15. Elise Mertens (Bel)

16. Serena Williams (US)

17. Ashleigh Barty (Aus)

18. Madison Keys (US)

19. Anastasija Sevastova (Lat)

20. Aryna Sabalenka (Blr)

Britons in top 200:

43. Johanna Konta

92. Heather Watson

106. Katie Boulter

167. Naomi Broady

169. Katie Swan

174. Harriet Dart

179. Gabriella Taylor