| Oberliga Mittelrhein 2019/2020 - Appearances as Assistant | ||||
| 29/09/2019 | VfL 08 Vichttal | - | Borussia Freialdenhoven | 4:0 |
| 03/11/2019 | FC Hürth | - | Viktoria Arnoldsweiler | 4:2 |
| Oberliga Mittelrhein 2019/2020 - Appearances as Assistant | ||||
| 29/09/2019 | VfL 08 Vichttal | - | Borussia Freialdenhoven | 4:0 |
| 03/11/2019 | FC Hürth | - | Viktoria Arnoldsweiler | 4:2 |
| Complete name: | Konstantinos Vassiliadis |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Club: | 1. FC Köln |