| Regionalliga Südwest 2020/2021 - Appearances as Assistant | ||||
| 09/10/2020 | Kickers Offenbach | - | Bayern Alzenau | 3:0 |
| 27/03/2021 | Hessen Kassel | - | FSV Frankfurt | 2:1 |
| Regionalliga Südwest 2020/2021 - Appearances as Assistant | ||||
| 09/10/2020 | Kickers Offenbach | - | Bayern Alzenau | 3:0 |
| 27/03/2021 | Hessen Kassel | - | FSV Frankfurt | 2:1 |
| Complete name: | Julius Martenstein |
| Born: | 16/10/1991 |
| Place of birth: |
Germany |
| Residence: | Marburg |
| Nationality: |
Germany |