Andy Murray has lost the world number two spot to Roger Federer in the latest ATP rankings released on Monday, after his defeat to Novak Djokovic in the Madrid Masters final.
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).
Rohan Bopanna loses two places in ATP doubles
Rohan Bopanna on Monday lost two places in the latest ATP doubles ranking table to be 13th after failing to defend his Madrid Open title along with Romanian partner Florin Mergea.
Bopanna needs to be in top-10 before the June 6 cut off date to get a direct entry into the Rio Olympics Games.
He will have then luxury of choosing a partner of his choice to compete in the elite tournament.
Leander Paes, who won a Challenger in Busan with Sam Groth, moved up to 54 with a gain of three places.
The next best Indian the doubles was Purav Raja (106), who gained one place and was followed by Saketh Myneni (116).
In the singles, out of action Yuki Bhambri slipped to 129, a loss of seven places.
Myneni also dropped on the singles ladder as he is now 141 after loss of three places.
Ramkumar Ramanathan was 240 and struggling Somdev Devvarman was now 316, a loss of two places.