| Oberliga Niederrhein 2021/2022 Abstieg - Appearances as Assistant | ||||
| 24/04/2022 | Sportfreunde Niederwenigern | - | FSV Duisburg | 2:3 |
| 22/05/2022 | SpVgg Sterkrade-Nord | - | FC Kray | 4:1 |
| Oberliga Niederrhein 2021/2022 Abstieg - Appearances as Assistant | ||||
| 24/04/2022 | Sportfreunde Niederwenigern | - | FSV Duisburg | 2:3 |
| 22/05/2022 | SpVgg Sterkrade-Nord | - | FC Kray | 4:1 |
| Complete name: | Leon Tiemer |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Club: | Eintracht Emmerich 09/20 |