| Challenge League 2012/2013 - Appearances as Referee |  |
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 |
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| 04/08/2012 | FC Lugano | - | FC Locarno | 0:0 | 5 | - | - |
| 27/08/2012 | FC Chiasso | - | AC Bellinzona | 3:2 | 11 | - | - |
| 23/09/2012 | FC Vaduz | - | AC Bellinzona | 0:0 | 3 | - | 1 |
| 04/05/2013 | AC Bellinzona | - | FC Chiasso | 1:3 | 3 | 1 | 2 |
| Challenge League 2012/2013 - Appearances as Referee | |
|
|
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| 04/08/2012 | FC Lugano | - | FC Locarno | 0:0 | 5 | - | - |
| 27/08/2012 | FC Chiasso | - | AC Bellinzona | 3:2 | 11 | - | - |
| 23/09/2012 | FC Vaduz | - | AC Bellinzona | 0:0 | 3 | - | 1 |
| 04/05/2013 | AC Bellinzona | - | FC Chiasso | 1:3 | 3 | 1 | 2 |
| Complete name: | Stephan Klossner |
| Born: | 30/05/1981 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |