Berlin - Novak Djokovic retained a big lead atop the men's tennis rankings while Kei Nishikori climbed into seventh in the ATP list issued on Monday, the day after his Malaysia Open title.
Djokovic has 12 150 points to lead from Rafael Nadal, who has 8 665 as he returns to action, in Beijing, from a three-month layoff.
Nishikori moved up from eighth to seventh after his third title of the year in Kuala Lumpur, and now plays on home ground at the Japan Open in Tokyo.
ATP top 10 as of September 29 (previous ranking in parenthesis):
1. (1) Novak Djokovic, Serbia, 12 150 points
2. (2) Rafael Nadal, Spain, 8 665
3. (3) Roger Federer, Switzerland, 8 170
4. (4) Stanislas Wawrinka, Switzerland, 5 600
5. (5) David Ferrer, Spain, 4 495
6. (7) Tomas Berdych, Czech Republic, 4 115
7. (8) Kei Nishikori, Japan, 4 025
8. (6) Milos Raonic, Canada, 3 965
9. (9) Marin Cilic, Croatia, 3 845
10. (10) Grigor Dimitrov, Bulgaria, 3 710