Head to head
3
Clay
1
Guillermo Canas's wins on the left · Nicolas Massu's on the right · bar lengths share one scale
All meetings (4)
| 2008 | Umag | Clay | R32 | Guillermo Canas | 7-5 6-2 |
| 2005 | World Team Championship | Clay | RR | Guillermo Canas | 6-2 1-6 6-3 |
| 2002 | Kitzbuhel | Clay | R32 | Nicolas Massu | 6-4 5-7 6-3 |
| 2000 | Mexico City | Clay | R32 | Guillermo Canas | 4-1 RET |
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.