Head to head
1
Hard
1
1
Carpet
0
Joern Renzenbrink's wins on the left · Daniel Vacek's on the right · bar lengths share one scale
All meetings (3)
| 1994 | Tokyo Outdoor | Hard | R64 | Daniel Vacek | 6-4 6-4 |
| 1993 | Durban | Hard | R32 | Joern Renzenbrink | 2-6 6-2 6-4 |
| 1993 | Zaragoza | Carpet | R32 | Joern Renzenbrink | 6-4 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.