Head to head
2
Grass
0
Onny Parun's wins on the left · Marty Riessen's on the right · bar lengths share one scale
All meetings (2)
| 1973 | US Open | Grass | R64 | Onny Parun | 6-3 7-6 7-6 |
| 1971 | Wimbledon | Grass | R16 | Onny Parun | 9-8 6-3 3-6 6-3 |
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.