Head to head
4
Clay
2
Nicolas Massu's wins on the left · Albert Montanes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2013 | Vina del Mar | Clay | R32 | Albert Montanes | 6-7(6) 6-3 6-4 |
| 2007 | Casablanca | Clay | R16 | Albert Montanes | 6-1 2-1 RET |
| 2007 | Vina del Mar | Clay | SF | Nicolas Massu | 6-1 6-3 |
| 2004 | Buenos Aires | Clay | R32 | Nicolas Massu | 6-1 6-3 |
| 2003 | Palermo | Clay | QF | Nicolas Massu | 6-4 1-6 6-4 |
| 2002 | Vina del Mar | Clay | QF | Nicolas Massu | 6-3 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.