| Champions League 1957/1958 - Appearances as Referee |  |
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| 05/02/1958 | Crvena Zvezda | - | Manchester United | 3:3 | - | - | - |
| Champions League 1957/1958 - Appearances as Referee | |
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|
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| 05/02/1958 | Crvena Zvezda | - | Manchester United | 3:3 | - | - | - |
| Complete name: | Karl Kainer |
| Born: | 09/04/1915 † 15/04/2006 |
| Place of birth: |
Erlach, 
Austria |
| Residence: | Wolfsberg |
| Nationality: |
Austria |
| Profession: | Versicherungsdirektor |