Head to head
1
Hard
0
0
Clay
6
Nicolas Lapentti's wins on the left · Mariano Zabaleta's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2005 | Vina del Mar | Clay | R32 | Mariano Zabaleta | 6-1 6-2 |
| 2003 | Bastad | Clay | F | Mariano Zabaleta | 6-3 6-4 |
| 2002 | Kitzbuhel | Clay | R16 | Mariano Zabaleta | 6-4 6-2 |
| 2002 | Acapulco | Clay | R32 | Mariano Zabaleta | 4-6 7-6(5) 3-0 RET |
| 1999 | Amsterdam | Clay | SF | Mariano Zabaleta | 3-6 7-5 7-5 |
| 1999 | Hamburg Masters | Clay | SF | Mariano Zabaleta | 7-5 6-2 |
| 1999 | Davis Cup G1 SF: ECU vs ARG | Hard | RR | Nicolas Lapentti | 6-3 7-6(4) 5-0 RET |
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.