| Oberliga Niederrhein 2021/2022 Abstieg - Appearances as Assistant | ||||
| 24/04/2022 | TV Jahn Hiesfeld | - | 1. FC Mönchengladbach | 1:0 |
| 30/04/2022 | 1. FC Mönchengladbach | - | SC Union Nettetal | 2:3 |
| Oberliga Niederrhein 2021/2022 Abstieg - Appearances as Assistant | ||||
| 24/04/2022 | TV Jahn Hiesfeld | - | 1. FC Mönchengladbach | 1:0 |
| 30/04/2022 | 1. FC Mönchengladbach | - | SC Union Nettetal | 2:3 |
| Complete name: | Alexander Portnov |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |