Head to head
1
Clay
0
1
Grass
0
0
Carpet
1
Onny Parun's wins on the left · Roger Taylor's on the right · bar lengths share one scale
All meetings (3)
| 1975 | Tehran | Clay | R32 | Onny Parun | 6-1 7-6 |
| 1974 | Philadelphia WCT | Carpet | R64 | Roger Taylor | 6-4 6-0 |
| 1968 | Wimbledon | Grass | R64 | Onny Parun | 2-6 3-6 14-12 6-4 6-4 |
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.