Berlin - Australian Open winner Roger Federer stayed top of the men's tennis rankings while Novak Djokovic moved second and beaten finalist Andy Murray improved to third.
Meanwhile Rafael Nadal dropped down two places to fourth in the ATP rankings released on Monday.
Federer, who clinched his 16th Grand Slam tournament win in Melbourne, has 11 350 points, well ahead of Djokovic on 8 310.
Both Djokovic, the 2008 winner, and Nadal, the 2009 champion, went out at the quarter-final stage, with the Spaniard forced to quit against Murray as a result of knee pain.
Semi-finalists Jo-Wilfried Tsonga of France and Marin Cilic of Croatia have both improved in the rankings. Tsonga moves up a place to ninth while Cilic climbs four places to 10th.
Latest ATP rankings:
1. Roger Federer, Switzerland, 11 350 points
2. Novak Djokovic, Serbia, 8 310
3. Andy Murray, Britain, 7 800
4. Rafael Nadal, Spain, 7 670
5. Juan Martin del Potro, Argentina, 6 400
6. Nikolay Davydenko, Russia, 5 290
7. Andy Roddick, United States, 4 150
8. Robin Soderling, Sweden, 3 375
9. Jo-Wilfried Tsonga, France, 3 235
10. Marin Cilic, Croatia, 2 970