By surface
| Surface | Constantin Frantzen | Ben Doghmani |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-03-16 | WTA | Key Biscayne | Round of 64 | Hard | Manon Bollegraf | 0-6 | 1-6 |
| Surface | Constantin Frantzen | Ben Doghmani |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990-03-16 | WTA | Key Biscayne | Round of 64 | Hard | Manon Bollegraf | 0-6 | 1-6 |