| Regionalliga West 2019/2020 - Appearances as Assistant | ||||
| 07/09/2019 | Wuppertaler SV | - | SG Wattenscheid 09 | 1:2 annull. |
| 12/10/2019 | TuS Haltern | - | Bonner SC | 1:2 |
| 08/02/2020 | Borussia Dortmund II | - | TuS Haltern | 4:0 |
| Regionalliga West 2019/2020 - Appearances as Assistant | ||||
| 07/09/2019 | Wuppertaler SV | - | SG Wattenscheid 09 | 1:2 annull. |
| 12/10/2019 | TuS Haltern | - | Bonner SC | 1:2 |
| 08/02/2020 | Borussia Dortmund II | - | TuS Haltern | 4:0 |
| Complete name: | Jonas Windeln |
| Born: | 05/12/1993 |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Club: | SC Wegberg 1912 |