Paris: Spain’s Rafael Nadal has replaced Roger Federer as the new world No. 1 while Serbia’s Ana Ivanovic toppled compatriot Jelena Jankovic at the top of the ATP Rankings released on Monday.

Federer, 27, relinquished his hold on the top spot after 237 weeks. Asked about his feelings on becoming No. 1, the Mallorcan left-hander, said: “I’m very happy to be number one. But the feeling doesn’t change too much.”

Sania Mirza dropped two places to 65th in singles.

Rankings (Men)

1. Rafael Nadal (ESP); 2. Roger Federer (SUI); 3. Novak Djokovic (SRB)4. David ferrer (ESP), 5. Nikolay Davydenko (RUS) 6. Andy Murray (GBR)7. David Nalbandian (ARG) 8. Andy Roddick (USA) 9. James Blake (USA) 10. Stanislas Wawrinka (SUI) 11. Fernando Gonzalez (CHI) 12. Richard Gasquet (FRA) 13.Fernando Verdasco (ESP) 14. Ivo Karlovic (CRO) 15. Tommy Robredo (ESP). Gilles Simon (FRA) 17. Juan Martin del Potro (ARG) 18. Nicolas Almagro (ESP) 19. Jo-Wilfried Tsonga (FRA) 20. Nicolas Kiefer (GER)

Rankings (Women)

1. Ana Ivanovic (SRB) 2. Jelena Jankovic (SRB) 3. Svetlana Kuznetzova (RUS) 4. Serena Williams (USA)5. Elena Dementieva (RUS) 6. Maria Sharapova (RUS) 7. Dinara Safina (RUS) 8. Venus Williams (USA) 9. Vera Zvonavera (RUS) 10. Agnieszka Radwanska (POL) 11. Anna Chakvetazde (RUS) 12. Daniela Hantuchova (SVK) 13. Marion Bartoli (FRA)14. Agnes Szavay (HUN) 15. Victoria Azarenka (BLR) 16. Patty Schnyder (SUI) 17. Flavia Pennetta (ITA)18. Alize Cornet (FRA) 19. Dominika Cibulkova (SVK) 20. Nadia Petrova (RUS).