Berlin - Novak Djokovic maintained his big lead in an unchanged top 10 in the ATP men's tennis rankings issued on Monday.
The three-time Australian Open champion from Serbia has 12 960 points, with Roger Federer of Switzerland second on 10 265 and Briton Andy Murray third on 8 480.
ATP top 10 as of February 11 (previous ranking in parenthesis):
1. (1) Novak Djokovic, Serbia, 12,960 points
2. (2) Roger Federer, Switzerland, 10,265
3. (3) Andy Murray, Britain, 8,480
4. (4) David Ferrer, Spain, 6,865
5. (5) Rafael Nadal, Spain, 5,550
6. (6) Tomas Berdych, Czech Republic, 4,575
7. (7) Juan Martin del Potro, Argentina, 4,210
8. (8) Jo-Wilfried Tsonga, France, 3,515
9. (9) Janko Tipsarevic, Serbia, 3,125
10. (10) Richard Gasquet, France, 2,925
29. (28) Kevin Anderson, South Africa, 1,260