| Youth B Bundesliga Süd/Südwest 2010/2011 - Appearances as Referee |  |
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| 15/08/2010 | 1. FSV Mainz 05 | - | 1. FC Nürnberg | 4:0 | 2 | - | - |
| 30/10/2010 | 1. FC Kaiserslautern | - | Karlsruher SC | 0:3 | 3 | - | - |
| Youth B Bundesliga Süd/Südwest 2010/2011 - Appearances as Referee | |
|
|
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| 15/08/2010 | 1. FSV Mainz 05 | - | 1. FC Nürnberg | 4:0 | 2 | - | - |
| 30/10/2010 | 1. FC Kaiserslautern | - | Karlsruher SC | 0:3 | 3 | - | - |
| Complete name: | Frederik Seifert |
| Born: | 23/07/1990 |
| Place of birth: |
Stolberg, 
Germany |
| Nationality: |
Germany |