By surface
| Surface | Petra Thoren | Federica Haumuller |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-12-11 | WTA | Guaruja | Round of 16 | Hard | Federica Haumuller | 0-6 | 6-1 | 5-7 |
| Surface | Petra Thoren | Federica Haumuller |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-12-11 | WTA | Guaruja | Round of 16 | Hard | Federica Haumuller | 0-6 | 6-1 | 5-7 |