By surface
| Surface | Costel Obretin | Mathias Huthmair |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-09-29 | WTA | Mission Viejo | Round of 32 | Hard | Tine Zwaan | 6-3 | 5-7 | 3-6 |
| Surface | Costel Obretin | Mathias Huthmair |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-09-29 | WTA | Mission Viejo | Round of 32 | Hard | Tine Zwaan | 6-3 | 5-7 | 3-6 |