| Youth B Bundesliga West 2020/2021 - Appearances as Assistant | ||||
| 17/10/2020 | Preußen Münster | - | Arminia Bielefeld | 3:3 |
| Youth B Bundesliga West 2020/2021 - Appearances as Assistant | ||||
| 17/10/2020 | Preußen Münster | - | Arminia Bielefeld | 3:3 |
| Complete name: | Leo Heckmann |
| Born: | 23/10/1997 |
| Place of birth: |
Germany |
| Residence: | Celle |
| Nationality: |
Germany |