Hamburg  - Roger Federer retained the top spot in the men's tennis rankings on Monday while Novak Djokovic returned to third and Nikolay Davydenko climbed into sixth place.

Switzerland's Federer has 10,805 points in the latest ATP list to lead from Spanish rival Rafael Nadal (9,095) and Djokovic (7,950), who moved ahead of Briton Andy Murray again by virtue of a Shanghai semi-final berth last week.

Russia's Davydenko won the Shanghai Masters to rise from eighth to sixth with 4,700 points. <# ATP top 10 as of October 19 (previous ranking in parenthesis):

1. (1) Roger Federer, Switzerland, 10,805 points 2. (2) Rafael Nadal, Spain, 9,095 3. (4) Novak Djokovic, Serbia, 7,950 4. (3) Andy Murray, Great Britain, 7,390 5. (5) Juan Martin Del Potro, Argentina, 6,315 6. (8) Nikolay Davydenko, Russia, 4,700 7. (6) Andy Roddick, United States, 4,690 8. (7) Jo-Wilfried Tsonga, France, 4,040 9. (9) Fernando Verdasco, Spain, 3,400 10. (11) Robin Soderling, Sweden, 3,235 <#(dpa)