The Scot played well in Spain, but by failing to successfully defend his title, he drops below Federer ahead of the Italian Open this week.
Djokovic, an 11-time major champion, retains his massive lead on his closest challengers at the top of the rankings after claiming a record 29th Masters title.
Australian youngster Nick Kyrgios moves back into the top 20 thanks to his run to the quarter-finals in Madrid.
ATP top 20:
1. Novak Djokovic (SRB) 16,550 pts
2. Roger Federer (SUI) 7,525 (+1)
3. Andy Murray (GBR) 7,525 (-1)
4. Stan Wawrinka (SUI) 6,380
5. Rafael Nadal (ESP) 5,675
6. Kei Nishikori (JPN) 4,290
7. Jo-Wilfried Tsonga (FRA) 3,400
8. Tomas Berdych (CZE) 2,940
9. David Ferrer (ESP) 2,920
10. Milos Raonic (CAN) 2,740
11. Marin Cilic (CRO) 2,725
12. Richard Gasquet (FRA) 2,680
13. David Goffin (BEL) 2,570
14. Gael Monfils (FRA) 2,460 (+1)
15. Dominic Thiem (AUT) 2,340 (-1)
16. John Isner (USA) 2,100
17. Roberto Bautista Agut (ESP) 2,015
18. Gilles Simon (FRA) 1,945
19. Kevin Anderson (RSA) 1,840
20. Nick Kyrgios (AUS) 1,795 (+1)
source: sports.inquirer.net
