Head to head
1
Clay
0
Onny Parun's wins on the left · D. Richard Russell's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Washington WCT | Clay | R64 | Onny Parun | 6-4 6-3 |
| 1971 | Davis Cup AME SF: CAR vs NZL | RR | Onny Parun | 7-5 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.