Head to head
Rivalry summary
Joern Renzenbrink and Marcos Ondruska met 2 times on the ATP tour between 1993 and 1993. Their head-to-head is level at 1–1.
1
Hard
0
0
Clay
1
Joern Renzenbrink's wins on the left · Marcos Ondruska's on the right · bar lengths share one scale
All meetings (2)
| 1993 | Basel | Hard | R32 | Joern Renzenbrink | 3-6 6-3 7-5 |
| 1993 | Hamburg Masters | Clay | R32 | Marcos Ondruska | 7-5 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.