Head to head
0
Hard
1
1
Carpet
0
Jakob Hlasek's wins on the left · Danie Visser's on the right · bar lengths share one scale
All meetings (2)
| 1987 | Philadelphia | Carpet | R32 | Jakob Hlasek | 6-2 2-6 6-2 |
| 1986 | Basel | Hard | R32 | Danie Visser | 6-3 2-6 7-5 |
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.