Head to head
1
Hard
1
1
Clay
2
Carlos Moya's wins on the left · Nicolas Massu's on the right · bar lengths share one scale
All meetings (5)
| 2008 | Acapulco | Clay | R16 | Nicolas Massu | 6-4 6-2 |
| 2006 | Amersfoort | Clay | QF | Nicolas Massu | 7-5 6-4 |
| 2006 | Buenos Aires | Clay | R16 | Carlos Moya | 4-6 6-3 7-6(4) |
| 2004 | Athens Olympics | Hard | QF | Nicolas Massu | 6-2 7-5 |
| 2003 | US Open | Hard | R32 | Carlos Moya | 7-5 6-4 3-6 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.