Head to head
2
Clay
1
Mike Belkin's wins on the left · Onny Parun's on the right · bar lengths share one scale
All meetings (3)
| 1972 | Toronto-2 | Clay | R64 | Onny Parun | 6-7 6-3 6-1 |
| 1970 | Davis Cup AME F: CAN vs NZL | Clay | RR | Mike Belkin | 6-2 3-6 7-5 6-3 |
| 1970 | St. Petersburg | Clay | QF | Mike Belkin | 6-8 6-3 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.