| Regionalliga Nord 2009/2010 - Appearances as Referee |  |
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| 29/11/2009 | 1. FC Magdeburg | - | TeBe Berlin | 7:0 | 5 | - | - |
| 09/04/2010 | VFC Plauen | - | SV Babelsberg 03 | 1:1 | 2 | - | - |
| 22/05/2010 | FC Oberneuland | - | Hamburger SV II | 1:2 | 3 | - | - |
| Regionalliga Nord 2009/2010 - Appearances as Referee | |
|
|
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| 29/11/2009 | 1. FC Magdeburg | - | TeBe Berlin | 7:0 | 5 | - | - |
| 09/04/2010 | VFC Plauen | - | SV Babelsberg 03 | 1:1 | 2 | - | - |
| 22/05/2010 | FC Oberneuland | - | Hamburger SV II | 1:2 | 3 | - | - |
| Complete name: | Frank Willenborg |
| Born: | 10/02/1979 |
| Place of birth: |
Germany |
| Residence: | Osnabrück |
| Nationality: |
Germany |
| Profession: | Realschullehrer |
| Club: | SV Gehlenberg |
| Height: | 188 cm |
| Weight: | 82 kg |
| Bundesliga (GER) appearances: | 100 |