By surface
| Surface | Riccardo Roberto | Johannes Helgo |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-11-12 | WTA | Kyoto | Round of 16 | — | Renata Tomanova | 3-6 | 1-6 |
| Surface | Riccardo Roberto | Johannes Helgo |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-11-12 | WTA | Kyoto | Round of 16 | — | Renata Tomanova | 3-6 | 1-6 |