By surface
| Surface | Onny Parun | Ivan Molina |
|---|---|---|
| Clay | 4 | 0 |
All meetings (4)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1976-08-17 | ATP | Toronto | Round of 16 | Clay | Onny Parun | 3-6 | 7-6 | 6-3 | ||
| 1975-08-04 | ATP | Indianapolis | Quarterfinal | Clay | Onny Parun | 4-6 | 6-1 | 6-4 | ||
| 1973-06-02 | ATP | Rome | Round of 64 | Clay | Onny Parun | 7-5 | 6-1 | |||
| 1972-07-16 | ATP | Gstaad | Round of 32 | Clay | Onny Parun | 4-6 | 6-1 | 6-1 |