Serb Novak Djokovic remained top of the new ATP world ranking released on Monday, ahead of Rafael Nadal and Roger Federer, who beat Juan Martin del Potro in Rotterdam at the weekend (change in brackets):

1. Novak Djokovic (SRB) 13,630 points

2. Rafael Nadal (ESP) 10,435

3. Roger Federer (SUI) 8330

4. Andy Murray (GBR) 7150

5. David Ferrer (ESP) 4595

6. Jo-Wilfried Tsonga (FRA) 4410

7. Tomas Berdych (CZE) 3950

8. Mardy Fish (USA) 2915

9. Janko Tipsarevic (SRB) 2770

10. Juan Martin del Potro (ARG) 2705

11. Nicolas Almagro (ESP) 2220

12. Gilles Simon (FRA) 2050

13. John Isner (USA) 2025 (+1)

14. Gael Monfils (FRA) 1970 (-1)

15. Richard Gasquet (FRA) 1900 (+1)

16. Feliciano Lopez (ESP) 1890 (-1)

17. Kei Nishikori (JPN) 1710 (+1)

18. Oleksandr Dolgopolov Jr. (UKR) 1655 (+1)

19. Florian Mayer (GER) 1585 (+1)

20. Juan Monaco (ARG) 1505 (+2)

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