Head to head
2
Hard
1
3
Clay
5
Mariano Zabaleta's wins on the left · Felix Mantilla's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 2004 | Rome Masters | Clay | R32 | Mariano Zabaleta | 7-5 6-3 |
| 2003 | Australian Open | Hard | R128 | Felix Mantilla | 4-6 7-5 6-3 4-6 6-4 |
| 2001 | Palermo | Clay | QF | Felix Mantilla | 6-0 2-0 RET |
| 2001 | Auckland | Hard | R32 | Mariano Zabaleta | 7-5 7-5 |
| 2000 | Australian Open | Hard | R128 | Mariano Zabaleta | 6-1 5-7 6-3 7-6(5) |
| 1999 | Rome Masters | Clay | R64 | Felix Mantilla | 6-1 RET |
| 1998 | Santiago | Clay | R32 | Felix Mantilla | 6-2 6-3 |
| 1998 | Amsterdam | Clay | R32 | Mariano Zabaleta | 7-6(2) 6-2 |
| 1996 | Bournemouth | Clay | R16 | Mariano Zabaleta | 6-2 2-6 6-4 |
| 1996 | Umag | Clay | R16 | Felix Mantilla | 6-3 6-3 |
| 1996 | San Marino | Clay | R32 | Felix Mantilla | 6-2 7-5 |
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.