| Youth B Bundesliga Nord/Nordost 2010/2011 - Appearances as Referee |  |
 |
 |
||||
| 06/11/2010 | VfL Osnabrück | - | Werder Bremen | 1:0 | 5 | - | - |
| 14/05/2011 | VfL Osnabrück | - | FC St. Pauli | 3:2 | 1 | - | - |
| Youth B Bundesliga Nord/Nordost 2010/2011 - Appearances as Referee | |
|
|
||||
| 06/11/2010 | VfL Osnabrück | - | Werder Bremen | 1:0 | 5 | - | - |
| 14/05/2011 | VfL Osnabrück | - | FC St. Pauli | 3:2 | 1 | - | - |
| Complete name: | Frederik Seifert |
| Born: | 23/07/1990 |
| Place of birth: |
Stolberg, 
Germany |
| Nationality: |
Germany |