By surface
| Surface | Riccardo Roberto | Alex Diaz |
|---|---|---|
| Carpet | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-03-10 | WTA | Houston | Round of 32 | Carpet | Julie Heldman | 2-6 | 0-6 |
| Surface | Riccardo Roberto | Alex Diaz |
|---|---|---|
| Carpet | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-03-10 | WTA | Houston | Round of 32 | Carpet | Julie Heldman | 2-6 | 0-6 |