| Oberliga Westfalen 2019/2020 - Appearances as Assistant | ||||
| 11/08/2019 | SC Paderborn 07 II | - | ASC 09 Dortmund | 1:2 |
| 18/08/2019 | 1. FC Kaan-Marienborn | - | RSV Meinerzhagen | 4:0 |
| 20/10/2019 | SV Schermbeck 1912 | - | TSG Sprockhövel | 3:0 |
| Oberliga Westfalen 2019/2020 - Appearances as Assistant | ||||
| 11/08/2019 | SC Paderborn 07 II | - | ASC 09 Dortmund | 1:2 |
| 18/08/2019 | 1. FC Kaan-Marienborn | - | RSV Meinerzhagen | 4:0 |
| 20/10/2019 | SV Schermbeck 1912 | - | TSG Sprockhövel | 3:0 |
| Complete name: | Marius Lehmann |
| Born: | |
| Place of birth: |
Germany |
| Residence: | Lippstadt |
| Nationality: |
Germany |