By surface
| Surface | John Mangan | Sherrif Balogun |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1985-07-21 | WTA | Indianapolis US Clay | Round of 32 | Clay | Debbie Spence Nasim | 0-6 | 2-6 |
| Surface | John Mangan | Sherrif Balogun |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1985-07-21 | WTA | Indianapolis US Clay | Round of 32 | Clay | Debbie Spence Nasim | 0-6 | 2-6 |