Paris:
Roger Federer has topped the ATP end-of-year world rankings for the fifth time during his career having ceded the position last year to Rafael Nadal.
The 28-year-old Swiss star, who won the French Open and Wimbledon during the summer, was world No.1 previously from 2004 to 2007 and he is now level with Jimmy Connors and one behind the all-time best set by Pete Sampras from 1993 to 1998.
Federer has also topped the rankings for 259 weeks and is closing in on the record of 286 weeks held by Sampras.
ATP world rankings:1. Roger Federer (SUI) 10,550 points
2. Rafael Nadal (ESP) 9205
3. Novak Djokovic (SRB) 8310
4. Andy Murray (GBR) 7030
5. Juan Martin Del Potro (ARG) 6785
6. Nikolay Davydenko (RUS) 4930 (+1)
7. Andy Roddick (USA) 4410 (-1)
8. Robin Soderling (SWE) 3410 (+1)
9. Fernando Verdasco (ESP) 3300 (-1)
10. Jo-Wilfried Tsonga (FRA) 2875
11. Fernando Gonzalez (CHI) 2870
12. Radek Stepanek (CZE) 2625
13. Gaël Monfils (FRA) 2610
14. Marin Cilic (CRO) 2430
15. Gilles Simon (FRA) 2275
16. Tommy Robredo (ESP) 2175
17. Tommy Haas (GER) 1855
18. David Ferrer (ESP) 1795
19. Mikhail Youzhny (RUS) 1690
20. Tomas Berdych (CZE) 1655