By surface
| Surface | Isabela Petrov | Chern Yi Chiew |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-07-18 | WTA | Fed Cup WG PO: MEX vs MAS | Round Robin | - | Isabela Petrov | 6-1 | 6-3 |
| Surface | Isabela Petrov | Chern Yi Chiew |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-07-18 | WTA | Fed Cup WG PO: MEX vs MAS | Round Robin | - | Isabela Petrov | 6-1 | 6-3 |