By surface
| Surface | Daria Kopsic | Sonny Liu |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-03-17 | WTA | Porto Alegre | Round of 16 | Clay | Glaucia Langela | 6-4 | 1-6 | 1-6 |
| Surface | Daria Kopsic | Sonny Liu |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-03-17 | WTA | Porto Alegre | Round of 16 | Clay | Glaucia Langela | 6-4 | 1-6 | 1-6 |