Head to head
0
Hard
1
3
Clay
2
Nicolas Massu's wins on the left · David Sanchez's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2005 | Amersfoort | Clay | QF | David Sanchez | 6-3 4-6 6-3 |
| 2004 | Palermo | Clay | R32 | Nicolas Massu | 6-3 6-2 |
| 2003 | Bucharest | Clay | F | David Sanchez | 6-2 6-2 |
| 2003 | Valencia | Clay | R16 | Nicolas Massu | 6-4 6-3 |
| 2003 | Scottsdale | Hard | R32 | David Sanchez | 3-6 6-3 6-4 |
| 2002 | Buenos Aires | Clay | R16 | Nicolas Massu | 6-4 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.