Head to head
5
Clay
1
Nicolas Massu's wins on the left · Luis Horna's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2007 | Roland Garros | Clay | R128 | Nicolas Massu | 6-4 7-5 3-6 6-7(1) 6-2 |
| 2007 | Vina del Mar | Clay | F | Luis Horna | 7-5 6-3 |
| 2005 | Gstaad | Clay | QF | Nicolas Massu | 6-4 6-4 |
| 2003 | Palermo | Clay | SF | Nicolas Massu | 6-2 6-2 |
| 2003 | Bucharest | Clay | R32 | Nicolas Massu | 7-6(4) 6-3 |
| 2003 | Amersfoort | Clay | SF | Nicolas Massu | 6-3 4-0 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.