| Oberliga Niederrhein 2019/2020 - Appearances as Assistant | ||||
| 11/08/2019 | VfB 03 Hilden | - | 1. FC Monheim | 1:1 |
| 06/10/2019 | 1. FC Kleve | - | SpVg Schonnebeck | 2:1 |
| 20/10/2019 | 1. FC Kleve | - | Cronenberger SC | 3:1 |
| Oberliga Niederrhein 2019/2020 - Appearances as Assistant | ||||
| 11/08/2019 | VfB 03 Hilden | - | 1. FC Monheim | 1:1 |
| 06/10/2019 | 1. FC Kleve | - | SpVg Schonnebeck | 2:1 |
| 20/10/2019 | 1. FC Kleve | - | Cronenberger SC | 3:1 |
| Complete name: | Leon Tiemer |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Club: | Eintracht Emmerich 09/20 |