By surface
| Surface | Constantin Schmitz | Jannik Opitz |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-01-25 | WTA | Auckland | Round of 32 | Hard | Andrea Holikova | 5-7 | 2-6 |
| Surface | Constantin Schmitz | Jannik Opitz |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-01-25 | WTA | Auckland | Round of 32 | Hard | Andrea Holikova | 5-7 | 2-6 |