Head to head
1
Hard
2
7
Clay
3
Juan Carlos Ferrero's wins on the left · Gaston Gaudio's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (13)
| 2007 | Stuttgart | Clay | R32 | Juan Carlos Ferrero | 6-1 6-2 |
| 2007 | Acapulco | Clay | QF | Juan Carlos Ferrero | 6-4 6-1 |
| 2006 | Roland Garros | Clay | R32 | Gaston Gaudio | 7-5 7-5 7-6(7) |
| 2005 | Barcelona | Clay | QF | Juan Carlos Ferrero | 6-4 4-6 6-3 |
| 2003 | Davis Cup WG SF: ESP vs ARG | Clay | RR | Juan Carlos Ferrero | 6-4 6-0 6-0 |
| 2003 | Cincinnati Masters | Hard | R32 | Gaston Gaudio | 6-7(3) 7-6(5) 6-4 |
| 2003 | Rome Masters | Clay | R16 | Juan Carlos Ferrero | 5-7 6-0 6-2 |
| 2003 | Monte Carlo Masters | Clay | R16 | Juan Carlos Ferrero | 3-6 7-5 6-2 |
| 2002 | Roland Garros | Clay | R16 | Juan Carlos Ferrero | 6-7(3) 6-1 6-7(5) 6-2 6-4 |
| 2001 | Miami Masters | Hard | R16 | Gaston Gaudio | 6-0 3-6 6-3 |
| 2000 | Canada Masters | Hard | R32 | Juan Carlos Ferrero | 6-7(4) 6-3 6-3 |
| 2000 | Gstaad | Clay | R32 | Gaston Gaudio | 6-4 7-6(3) |
| 2000 | Monte Carlo Masters | Clay | QF | Gaston Gaudio | 6-4 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.