| KNVB beker 2017/2018 - Appearances as Assistant | ||||
| 19/09/2017 | Kozakken Boys | - | De Graafschap | 4:3 pso |
| 24/10/2017 | PEC Zwolle | - | Kozakken Boys | 3:2 aet |
| KNVB beker 2017/2018 - Appearances as Assistant | ||||
| 19/09/2017 | Kozakken Boys | - | De Graafschap | 4:3 pso |
| 24/10/2017 | PEC Zwolle | - | Kozakken Boys | 3:2 aet |
| Complete name: | Erik Koopman |
| Born: | 20/04/1992 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |