By surface
| Surface | Mary Hamm | Pia Tamayo |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-07-07 | WTA | Lakewood | Round of 16 | - | Mary Hamm | 6-1 | 6-0 |
| Surface | Mary Hamm | Pia Tamayo |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-07-07 | WTA | Lakewood | Round of 16 | - | Mary Hamm | 6-1 | 6-0 |