Head to head
2
Hard
1
0
Clay
1
2
Grass
2
Jakob Hlasek's wins on the left · Wally Masur's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1994 | Wimbledon | Grass | R64 | Jakob Hlasek | 6-1 6-4 7-6(3) |
| 1994 | Halle | Grass | QF | Wally Masur | 7-6(5) 6-3 |
| 1993 | Canada Masters | Hard | R64 | Jakob Hlasek | 6-4 3-6 6-3 |
| 1991 | Hong Kong | Hard | R32 | Wally Masur | 6-4 7-6(6) |
| 1988 | US Open | Hard | R64 | Jakob Hlasek | 6-3 6-3 3-6 6-3 |
| 1984 | Adelaide | Grass | R32 | Jakob Hlasek | 6-2 7-5 |
| 1984 | Wimbledon | Grass | R64 | Wally Masur | 6-4 6-2 7-5 |
| 1984 | Aix-en-Provence | Clay | R32 | Wally Masur | 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.