Hamburg- Rafael Nadal kept a clear lead at the top of the men's tennis rankings issued on Monday by the ATP. Spain's Nadal, who won a fifth straight title at Barcelona on Sunday, leads with 14,890 points, followed by former number one Roger Federer of Switzerland on 10,060 and Serbia's Novak Djokovic on 9,160 points.

The leading six are unchanged, but Gilles Simon of France moves up two places to seventh.

"#" ATP top 10 as of April 27 (previous ranking in parentheses): 1. (1) Rafael Nadal, Spain, 14,890 points 2. (2) Roger Federer, Switzerland, 10,060 3. (3) Novak Djokovic, Serbia, 9,160 4. (4) Andy Murray, Britain, 9,050 5. (5) Juan Martin del Potro, Argentina, 4,580 6. (6) Andy Roddick, United States, 4,490 7. (9) Gilles Simon, France, 4,010 8. (7) Fernando Verdasco, Spain, 3,870 9. (10) Gael Monfils, France, 3,460 10. (11) Jo-Wilfried Tsonga, France, 3,455 "#"(dpa)