Serena leads unchanged top 10

Paris - Serena Williams remains streets ahead of the rest in the latest WTA rankings released on Monday, with the top 10 unchanged.

Timea Bacsinszky is up a place to 16th, despite losing both of her singles rubbers in Switzerland's Fed Cup semi-final defeat to the Czech Republic.

Ukrainian Elina Svitolina drops down after losing in the first round in Bogota.

WTA Top 20

1. Serena Williams (USA) 8,625 pts

2. Agnieszka Radwanska (POL) 5,775

3. Angelique Kerber (GER) 5,740

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. Timea Bacsinszky (SUI) 2,735 (+1)

17. Elina Svitolina (UKR) 2,700 (-1)

18. Karolina Pliskova (CZE) 2,590

19. Ana Ivanovic (SRB) 2,531

20. Sara Errani (ITA) 2,505