Head to head
3
Clay
1
1
Grass
0
Onny Parun's wins on the left · Patrick Proisy's on the right · bar lengths share one scale
All meetings (5)
| 1976 | South Orange | Clay | R32 | Onny Parun | 6-3 6-7 7-5 |
| 1975 | Roland Garros | Clay | R32 | Onny Parun | 6-2 6-7 6-2 6-4 |
| 1975 | Bournemouth | Clay | SF | Patrick Proisy | 6-4 6-1 |
| 1974 | Rome | Clay | R64 | Onny Parun | 6-2 6-4 |
| 1973 | Auckland | Grass | F | Onny Parun | 4-6 6-7 6-2 6-0 7-6 |
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.