| Youth B Bundesliga Süd/Südwest 2019/2020 - Appearances as Assistant | ||||
| 03/11/2019 | 1. FSV Mainz 05 | - | SpVgg Greuther Fürth | 1:0 |
| 23/02/2020 | 1. FSV Mainz 05 | - | Karlsruher SC | 1:0 |
| Youth B Bundesliga Süd/Südwest 2019/2020 - Appearances as Assistant | ||||
| 03/11/2019 | 1. FSV Mainz 05 | - | SpVgg Greuther Fürth | 1:0 |
| 23/02/2020 | 1. FSV Mainz 05 | - | Karlsruher SC | 1:0 |
| Complete name: | Jan Lehmann |
| Born: | 13/12/1994 |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Club: | SC Birlenbach |