EXCLUSIVE! David Ferrer breaks into the top-five of our latest ATP claycourt rankings after a runner-up showing in Barcelona last week.

Rafael Nadal retained all of his points from Barcelona with a record fourth straight title, while Ferrer improved on his semi-finals showing from 2007 to move up two places to fifth.

Fernando Gonzalez was the week's other big mover, climbing four places to sixth thanks to his Munich Open crown.

Last year's champion Munich champion, German Philipp Kohlschreiber, dropped out of the top 20 after withdrawing from the tournament due to injury.

Guillermo Canas was the other big loser this week falling four places to 17th for failing to defend his runner-up points from Barcelona.

Stan "The Swiss number two Man" Wawrinka, meanwhile, improved nine places to crack into Kohlschreiber's vacated 20th position with his semi-finals performance in the Catalan capital.

2008 Claycourt Rankings - ATP world ranking in brackets

1. [2] Rafael Nadal (ESP) 37 - Even

2. [1] Roger Federer (SUI) 21 - Even

3. [4] Nikolay Davydenko (RUS) 12 - Even

4. [21] Nicolas Almagro (ESP) 11 - Even

5. [5] David Ferrer (ESP) 10 - Up two

6. [11] Fernando Gonzalez (CHI) 10 - Up four

7. [13] Carlos Moya (ESP) 10 - Down two

8. [3] Novak Djokovic (SRB) 9 - Down two

9. [7] David Nalbandian (ARG) 9 - Down one

10. [14] Juan Monaco (ARG) 8 - Down one

11. [16] Tommy Robredo (ESP) 7 - Even

12. [20] Paul-Henri Mathieu (FRA) 7 - Even

13. [41] Jose Acasuso (ARG) 5 - Up one

14. [26] Igor Andreev (RUS) 4 - Up one

15. [34] Gilles Simon (FRA) 4 - Up one

16. [42] Filippo Volandri (ITA) 4 - Up one

17. [30] Guillermo Canas (ARG) 3 - Down four

18. [19] Lleyton Hewitt (AUS) 3 - Up three

19. [23] Juan Carlos Ferrero (ESP) 3 - Even

20. [24] Stanislas Wawrinka (SUI) 3 - Up nine

Formula:

10 winner; 6 runner-up; 4 semi-finalist; 2 quarter-finalist: 2007 French Open

5 winner; 3 runner-up; 2 semi-finalist; 1 quarter-finalist: Monte Carlo Masters, Rome Masters, Hamburg Masters, 2006 French Open

3 winner; 2 runner-up; 1 semi-finalist: Vina del Mar, Costa Do Suaipe, Buenos Aires, Acapulco, Estoril, Valencia, Houston, Barcelona, Munich, Poertschach, Casablanca, Sopot, Stuttgart, Gstaad, Bastad, Kitzbuhel, Amersfoort, Umag, Bucharest, 2005 French Open

1 bonus point for any semi-final or better at French Open 2001-2004

Jeremy Stahl / Eurosport