Head to head
4
Hard
1
2
Clay
0
Juan Ignacio Chela's wins on the left · Nicolas Massu's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2007 | Acapulco | Clay | QF | Juan Ignacio Chela | 6-3 6-7(6) 7-5 |
| 2007 | Auckland | Hard | R16 | Juan Ignacio Chela | 7-5 4-6 6-3 |
| 2005 | Madrid Masters | Hard | R64 | Juan Ignacio Chela | 6-2 6-3 |
| 2003 | Madrid Masters | Hard | QF | Nicolas Massu | 6-7(5) 6-4 6-4 |
| 2003 | Vienna | Hard | R32 | Juan Ignacio Chela | 7-5 7-6(4) |
| 2002 | Hong Kong | Hard | R16 | Juan Ignacio Chela | 1-6 6-2 6-2 |
| 2002 | Acapulco | Clay | R16 | Juan Ignacio Chela | 2-6 7-6(10) 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.