| Oberliga Niederrhein 2021/2022 - Appearances as Assistant | ||||
| 10/10/2021 | SpVgg Sterkrade-Nord | - | SSVg Velbert | 0:2 |
| 07/11/2021 | DJK Teutonia St. Tönis | - | TVD Velbert | 2:0 |
| Oberliga Niederrhein 2021/2022 - Appearances as Assistant | ||||
| 10/10/2021 | SpVgg Sterkrade-Nord | - | SSVg Velbert | 0:2 |
| 07/11/2021 | DJK Teutonia St. Tönis | - | TVD Velbert | 2:0 |
| Complete name: | Alexander Portnov |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |