Head to head
0
Hard
1
0
Clay
1
2
Carpet
0
Jakob Hlasek's wins on the left · Derrick Rostagno's on the right · bar lengths share one scale
All meetings (4)
| 1993 | Roland Garros | Clay | R64 | Derrick Rostagno | 6-3 6-4 4-6 6-2 |
| 1992 | Lyon | Carpet | R32 | Jakob Hlasek | 5-7 6-4 6-4 |
| 1991 | US Open | Hard | R32 | Derrick Rostagno | 6-7(2) 7-6(3) 7-6(2) 7-6(4) |
| 1988 | Wembley | Carpet | R16 | Jakob Hlasek | 6-2 6-2 |
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.