Head to head
1
Hard
2
1
Clay
0
0
Grass
1
1
Carpet
1
Amos Mansdorf's wins on the left · Jakob Hlasek's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1993 | Davis Cup WG PO: ISR vs SUI | Hard | RR | Amos Mansdorf | 7-5 7-6(2) 6-2 |
| 1991 | Rosmalen | Grass | QF | Jakob Hlasek | 6-4 6-3 |
| 1989 | Indian Wells | Hard | R32 | Jakob Hlasek | 6-3 7-5 |
| 1988 | Wembley | Carpet | QF | Jakob Hlasek | 4-6 6-3 6-2 |
| 1988 | Paris | Carpet | SF | Amos Mansdorf | 7-6 7-6 |
| 1986 | Davis Cup EUR F: SUI vs ISR | Clay | RR | Amos Mansdorf | 6-2 1-6 6-3 3-6 12-10 |
| 1985 | Hong Kong | Hard | R16 | Jakob Hlasek | 6-4 6-4 |
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.