By surface
| Surface | Onny Parun | Gerard Wimmer |
|---|---|---|
| Grass | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-01-12 | ATP | Auckland | Quarterfinal | Grass | Onny Parun | 7-6 | 6-7 | 7-6 | 6-4 |
| Surface | Onny Parun | Gerard Wimmer |
|---|---|---|
| Grass | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-01-12 | ATP | Auckland | Quarterfinal | Grass | Onny Parun | 7-6 | 6-7 | 7-6 | 6-4 |