Head to head
1
Hard
0
1
Clay
0
Onny Parun's wins on the left · Rolf Norberg's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Hamburg | Clay | R32 | Onny Parun | 6-1 6-2 |
| 1973 | Aptos | Hard | R32 | Onny Parun | 6-7 6-3 6-1 |
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.