Head to head
1
Hard
0
1
Clay
0
2
Carpet
0
Onny Parun's wins on the left · Kjell Johansson's on the right · bar lengths share one scale
All meetings (4)
| 1980 | Bologna | Carpet | R32 | Onny Parun | 1-6 6-3 6-4 |
| 1975 | Rome | Clay | R64 | Onny Parun | 7-6 7-5 |
| 1975 | Barcelona WCT | Carpet | QF | Onny Parun | 6-2 6-1 |
| 1973 | Los Angeles | Hard | R64 | Onny Parun | 6-2 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.