Berlin - Australian Open winner Novak Djokovic of Serbia stays top of a largely unchanged ATP tennis rankings released on Monday.
GALLERY: Australian Open Final
Argentina's Juan Martin del Potro gains a place to 10th, while Spain's Nicolas Almagro drops out in the only positional change to the leading 10.
ATP top 10 as of January 30 (previous ranking in parenthesis):
1. (1) Novak Djokovic, Serbia, 13 630 points2. (2) Rafael Nadal, Spain, 10 435
3. (3) Roger Federer, Switzerland, 8 010
4. (4) Andy Murray, Britain, 6 900
5. (5) David Ferrer, Spain, 4 565
6. (6) Jo-Wilfried Tsonga, France, 4 425
7. (7) Tomas Berdych, Czech Republic, 3 700
8. (8) Mardy Fish, United States, 2 965
9. (9) Janko Tipsarevic, Serbia, 2 700
10. (11) Juan Martin del Potro, Argentina, 2 630
30 (32) Kevin Anderson, South Africa, 1270