| Regionalliga West 2018/2019 - Appearances as Assistant | ||||
| 01/12/2018 | Bonner SC | - | 1. FC Köln II | 3:2 |
| Regionalliga West 2018/2019 - Appearances as Assistant | ||||
| 01/12/2018 | Bonner SC | - | 1. FC Köln II | 3:2 |
| Complete name: | David Markus Koj |
| Born: | 26/09/1993 |
| Place of birth: |
Germany |
| Residence: | Wegberg |
| Nationality: |
Germany |
| Profession: | Beisitzer |
| Club: | Sportclub Wegberg 1912 |