Hamburg - Rafael Nadal extended his lead at the top of the men's tennis rankings issued on Monday by the ATP thanks to a fifth straight victory Sunday in the Monte Carlo Masters.

Spain's Nadal leads with 15,390 points, followed by former number one Roger Federer of Switzerland on 10,760 and Serbia's Novak Djokovic on 9,520 points.

«#» ATP top 10 as of April 20 (previous ranking in parentheses): 1. (1) Rafael Nadal, Spain, 15,390 points 2. (2) Roger Federer, Switzerland, 10,760 3. (3) Novak Djokovic, Serbia, 9,520 4. (4) Andy Murray, Britain, 8,950 5. (5) Juan Martin del Potro, Argentina, 4,580 6. (6) Andy Roddick, United States, 4,340 7. (8) Fernando Verdasco, Spain, 3,790 8. (9) Nikolay Davydenko, Russia, 3,675 9. (7) Gilles Simon, France, 3,670 10. (10) Gael Monfils, France, 3,460 «#» (dpa)