| Youth Youth League 2015/2016 - Appearances as Referee |  |
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| 30/09/2015 | FC Schalke 04 | - | AFC Ajax | 2:3 | 4 | - | - |
| Youth Youth League 2015/2016 - Appearances as Referee | |
|
|
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| 30/09/2015 | FC Schalke 04 | - | AFC Ajax | 2:3 | 4 | - | - |
| Complete name: | Stephan Klossner |
| Born: | 30/05/1981 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |