By surface
| Surface | Alex Diaz | Erick Siqueria |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-08-19 | WTA | Westchester | Round of 32 | Clay | Julie Heldman | 1-6 | 6-2 | 1-6 |
| Surface | Alex Diaz | Erick Siqueria |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-08-19 | WTA | Westchester | Round of 32 | Clay | Julie Heldman | 1-6 | 6-2 | 1-6 |