By surface
| Surface | Riccardo Roberto | Ann Charlotte Dahlberg |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-09-27 | WTA | Siracusa | Quarterfinal | Clay | Renata Tomanova | 1-6 | 3-6 |
| Surface | Riccardo Roberto | Ann Charlotte Dahlberg |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-09-27 | WTA | Siracusa | Quarterfinal | Clay | Renata Tomanova | 1-6 | 3-6 |