Head to head
0
Hard
1
0
Clay
1
1
Grass
0
Onny Parun's wins on the left · Jose-Luis Clerc's on the right · bar lengths share one scale
All meetings (3)
| 1980 | Wimbledon | Grass | R32 | Onny Parun | 3-6 7-6 6-4 6-3 |
| 1980 | Johannesburg-1 | Hard | R16 | Jose-Luis Clerc | 6-3 6-2 |
| 1978 | Kitzbuhel | Clay | R32 | Jose-Luis Clerc | 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.