Head to head
3
Hard
2
0
Clay
1
Guillermo Canas's wins on the left · Roger Federer's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2008 | Rome Masters | Clay | R32 | Roger Federer | 6-3 6-3 |
| 2007 | Madrid Masters | Hard | R16 | Roger Federer | 6-0 6-3 |
| 2007 | Miami Masters | Hard | R16 | Guillermo Canas | 7-6(2) 2-6 7-6(5) |
| 2007 | Indian Wells Masters | Hard | R64 | Guillermo Canas | 7-5 6-2 |
| 2005 | Indian Wells Masters | Hard | SF | Roger Federer | 6-3 6-1 |
| 2002 | Canada Masters | Hard | R64 | Guillermo Canas | 7-6(10) 7-5 |
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.