By surface
| Surface | Marianne Groat | John Mangan |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1985-03-18 | WTA | Sao Paulo | Round of 32 | Clay | Marianne Groat | 6-4 | 6-3 |
| Surface | Marianne Groat | John Mangan |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1985-03-18 | WTA | Sao Paulo | Round of 32 | Clay | Marianne Groat | 6-4 | 6-3 |