Head to head
3
Hard
1
0
Grass
1
1
Carpet
0
Guillermo Canas's wins on the left · Tommy Haas's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2008 | Wimbledon | Grass | R128 | Tommy Haas | 3-6 6-4 6-4 6-4 |
| 2004 | Paris Masters | Carpet | R16 | Guillermo Canas | 7-6(4) 6-2 |
| 2004 | Vienna | Hard | SF | Guillermo Canas | 6-4 6-3 |
| 2004 | Miami Masters | Hard | R128 | Guillermo Canas | 6-1 7-6(6) |
| 2002 | Canada Masters | Hard | SF | Guillermo Canas | 6-4 3-6 7-6(5) |
| 2001 | Vienna | Hard | F | Tommy Haas | 6-2 7-6(6) 6-4 |
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.