Head to head
2
Hard
1
0
Clay
1
David Nalbandian's wins on the left · Guillermo Canas's on the right · bar lengths share one scale
All meetings (4)
| 2007 | Buenos Aires | Clay | RR | Guillermo Canas | 6-4 6-4 |
| 2004 | Vienna | Hard | QF | Guillermo Canas | 6-4 2-6 6-3 |
| 2004 | Australian Open | Hard | R16 | David Nalbandian | 6-4 6-2 6-1 |
| 2002 | Madrid Masters | Hard | R32 | David Nalbandian | 4-6 6-3 6-3 |
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.