Head to head
1
Hard
2
1
Clay
0
Guillermo Canas's wins on the left · Andy Roddick's on the right · bar lengths share one scale
All meetings (4)
| 2004 | US Open | Hard | R32 | Andy Roddick | 6-1 6-3 6-3 |
| 2004 | Rome Masters | Clay | R64 | Guillermo Canas | 7-6(7) 6-1 |
| 2004 | Miami Masters | Hard | R16 | Andy Roddick | 6-3 6-3 |
| 2002 | Canada Masters | Hard | F | Guillermo Canas | 6-4 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.