Head to head
1
Hard
0
0
Clay
1
Jan Vacek's wins on the left · Mariano Zabaleta's on the right · bar lengths share one scale
All meetings (2)
| 2002 | Roland Garros | Clay | R128 | Mariano Zabaleta | 6-1 3-6 6-3 6-4 |
| 2001 | Salvador | Hard | R16 | Jan Vacek | 3-6 6-4 7-6(6) |
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.