Head to head
1
Hard
0
0
Grass
1
Onny Parun's wins on the left · Dick R. Bohrnstedt's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Australian Open-2 | Grass | R64 | Dick R. Bohrnstedt | 6-2 6-4 6-7 6-4 |
| 1973 | Aptos | Hard | SF | Onny Parun | 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.