By surface
| Surface | Sandra Birch | Alvaro Alfonso Ruiz |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-08-19 | WTA | Schenectady | Round of 32 | Hard | Barbara Rittner | 0-6 | 1-6 |
| Surface | Sandra Birch | Alvaro Alfonso Ruiz |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-08-19 | WTA | Schenectady | Round of 32 | Hard | Barbara Rittner | 0-6 | 1-6 |