Head to head
2
Hard
0
2
Clay
0
1
Carpet
0
Roger Federer's wins on the left · Gaston Gaudio's on the right · bar lengths share one scale
All meetings (5)
| 2005 | Masters Cup | Carpet | SF | Roger Federer | 6-0 6-0 |
| 2004 | Masters Cup | Hard | RR | Roger Federer | 6-1 7-6(4) |
| 2004 | Hamburg Masters | Clay | R64 | Roger Federer | 6-1 5-7 6-4 |
| 2003 | Canada Masters | Hard | R64 | Roger Federer | 6-4 3-6 7-5 |
| 2003 | Gstaad | Clay | SF | Roger Federer | 6-1 7-6(6) |
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.