Head to head
1
Hard
3
1
Clay
1
Juan Ignacio Chela's wins on the left · David Nalbandian's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2008 | Buenos Aires | Clay | SF | David Nalbandian | 6-1 6-2 |
| 2006 | Vienna | Hard | R32 | David Nalbandian | 6-7(6) 6-2 6-2 |
| 2005 | Canada Masters | Hard | R64 | David Nalbandian | 6-4 6-1 |
| 2003 | Cincinnati Masters | Hard | R16 | David Nalbandian | 6-4 6-4 |
| 2003 | Indian Wells Masters | Hard | R64 | Juan Ignacio Chela | 4-6 6-4 7-5 |
| 2001 | Bogota | Clay | QF | Juan Ignacio Chela | 7-5 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.