Head to head
1
Hard
0
2
Clay
0
Jakob Hlasek's wins on the left · John Sadri's on the right · bar lengths share one scale
All meetings (3)
| 1987 | Forest Hills | Clay | R32 | Jakob Hlasek | 7-5 6-4 |
| 1986 | Cincinnati | Hard | R32 | Jakob Hlasek | 6-2 6-4 |
| 1986 | Forest Hills | Clay | R64 | 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.