By surface
| Surface | Mariana Diaz Oliva | Graciela Velez |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1999-04-14 | WTA | Fed Cup G1 RRA: ARG vs MEX | Round Robin | Clay | Mariana Diaz Oliva | 6-2 | 6-1 |
| Surface | Mariana Diaz Oliva | Graciela Velez |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1999-04-14 | WTA | Fed Cup G1 RRA: ARG vs MEX | Round Robin | Clay | Mariana Diaz Oliva | 6-2 | 6-1 |