Cilic slips in latest ATP Tour rankings

Paris - Croatia's Marin Cilic dropped a place to fifth in the ATP rankings released on Monday after making an early exit from last week's Istanbul tournament. 

Former US Open champion Cilic, who lost in both last year's Wimbledon final and January's Australian Open final to Roger Federer, was bundled out by unseeded Tunisian Malek Jaziri after receiving a bye into the second round.

Bulgarian Grigor Dimitrov took fourth spot despite not having played, with Spain's Rafael Nadal still atop the rankings.

Top 20 in the latest ATP Tour rankings:

1. Rafael Nadal (ESP) 8 770 pts

2. Roger Federer (SUI) 8 670

3. Alexander Zverev (GER) 5 195

4. Grigor Dimitrov (BUL) 4 950

5. Marin Cilic (CRO) 4 780

6. Juan Martin Del Potro (ARG) 4 470

7. Dominic Thiem (AUT) 3 545

8. Kevin Anderson (RSA) 3 345

9. John Isner (USA) 3 125

10. David Goffin (BEL) 3 020

11. Pablo Carreno Busta (ESP) 2 280

12. Novak Djokovic (SRB) 2 220

13. Sam Querrey (USA) 2 220

14. Roberto Bautista Agut (ESP) 2 175

15. Jack Sock (USA) 2 155

16. Diego Schwartzman (ARG) 2 085

17. Tomas Berdych (CZE) 2 060

18. Lucas Pouille (FRA) 1 995

19. Fabio Fognini (ITA) 1 840

20. Kei Nishikori (JPN) 1 835