Head to head
1
Hard
0
3
Clay
1
Agustin Calleri's wins on the left · Mariano Zabaleta's on the right · bar lengths share one scale
All meetings (5)
| 2007 | Roland Garros | Clay | R128 | Mariano Zabaleta | 6-4 6-7(5) 7-6(5) 7-5 |
| 2003 | Vienna | Hard | R32 | Agustin Calleri | 6-4 6-2 |
| 2003 | Hamburg Masters | Clay | R16 | Agustin Calleri | 6-3 6-0 |
| 2003 | Acapulco | Clay | F | Agustin Calleri | 7-5 3-6 6-3 |
| 2002 | Buenos Aires | Clay | QF | Agustin Calleri | 6-4 4-6 6-1 |
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.