Radwanska leapfrogs Kerber in rankings

Paris - Australian Open champion Angelique Kerber has dropped a place to world number three in the latest WTA rankings released on Monday after her semi-final exit in Charleston.

The German retired with an injury when trailing 6-1, 3-0 to eventual champion Sloane Stephens on Saturday, and Agnieszka Radwanska retakes second spot despite not playing last week.

American Serena Williams still holds a massive lead at the top of the rankings, while her compatriot Stephens is closing in on the top 20 after her third title of the season.

WTA top 20

1. Serena Williams (USA) 8 625 pts

2. Agnieszka Radwanska (POL) 5 775 (+1)

3. Angelique Kerber (GER) 5 740 (-1)

4. Garbine Muguruza (ESP) 4 831

5. Victoria Azarenka (BLR) 4 530

6. Simona Halep (ROM) 3 785

7. Petra Kvitova (CZE) 3 763

8. Roberta Vinci (ITA) 3 595

9. Maria Sharapova (RUS) 3 432

10. Belinda Bencic (SUI) 3 340

11. Carla Suarez Navarro (ESP) 3 160

12. Flavia Pennetta (ITA) 3 033

13. Svetlana Kuznetsova (RUS) 3 010

14. Venus Williams (USA) 2 941

15. Lucie Safarova (CZE) 2 768

16. Elina Svitolina (UKR) 2 750

17. Timea Bacsinszky (SUI) 2 735

18. Karolina Pliskova (CZE) 2 590

19. Ana Ivanovic (SRB) 2 531

20. Sara Errani (ITA) 2 505