Head to head
2
Clay
2
Mariano Zabaleta's wins on the left · Nicolas Almagro's on the right · bar lengths share one scale
All meetings (4)
| 2007 | Sopot | Clay | R32 | Mariano Zabaleta | 6-3 7-5 |
| 2007 | Acapulco | Clay | R32 | Nicolas Almagro | 6-3 6-4 |
| 2005 | Kitzbuhel | Clay | R16 | Mariano Zabaleta | 6-3 4-6 6-3 |
| 2005 | Buenos Aires | Clay | R16 | Nicolas Almagro | 6-7(4) 6-4 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.