Head to head
1
Clay
0
1
Carpet
0
Jakob Hlasek's wins on the left · Leonardo Lavalle's on the right · bar lengths share one scale
All meetings (2)
| 1989 | Roland Garros | Clay | R32 | Jakob Hlasek | 4-6 6-1 3-6 6-3 6-4 |
| 1986 | Philadelphia | Carpet | R16 | Jakob Hlasek | 6-3 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.