By surface
| Surface | Graziella Perna | Maria Teresa Riedl |
|---|---|---|
| Clay | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1969-09-22 | WTA | Verona | Round of 16 | Clay | Maria Teresa Riedl | 0-6 | 1-6 | |||
| 1968-09-26 | WTA | Milan Nationals | Quarterfinal | Clay | Maria Teresa Riedl | 1-6 | 6-2 | 2-6 |