| Youth Youth League 2013/2014 - Appearances as Referee |  |
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| 18/09/2013 | FC Schalke 04 | - | FC Steaua Bucureşti | 3:0 | 5 | - | - |
| Youth Youth League 2013/2014 - Appearances as Referee | |
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| 18/09/2013 | FC Schalke 04 | - | FC Steaua Bucureşti | 3:0 | 5 | - | - |
| Complete name: | Gerhard Grubelnik |
| Born: | |
| Place of birth: |
Austria |
| Nationality: |
Austria |