| KNVB beker 2020/2021 - Appearances as Assistant | ||||
| 27/10/2020 | FC Dordrecht | - | FC Utrecht | 2:4 |
| 16/12/2020 | AFC Ajax | - | FC Utrecht | 5:4 |
| KNVB beker 2020/2021 - Appearances as Assistant | ||||
| 27/10/2020 | FC Dordrecht | - | FC Utrecht | 2:4 |
| 16/12/2020 | AFC Ajax | - | FC Utrecht | 5:4 |
| Complete name: | Nicky Siebert |
| Born: | 29/12/1969 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |