Head to head
1
Hard
0
1
Clay
0
Mariano Zabaleta's wins on the left · David Nalbandian's on the right · bar lengths share one scale
All meetings (2)
| 2003 | Acapulco | Clay | R16 | Mariano Zabaleta | 6-7(5) 6-0 6-0 |
| 2003 | Auckland | Hard | R32 | Mariano Zabaleta | 2-6 7-6(3) 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.