Head to head
0
Hard
1
1
Clay
0
Mariano Zabaleta's wins on the left · Jurgen Melzer's on the right · bar lengths share one scale
All meetings (2)
| 2007 | Houston | Clay | QF | Mariano Zabaleta | 6-1 6-2 |
| 2002 | Vienna | Hard | R32 | Jurgen Melzer | 6-3 3-6 7-6(3) |
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.