| Friendlies 1917 - Appearances as Referee |  |
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| 03/06/1917 | Hungary | - | Austria | 6:2 | - | - | - |
| Friendlies 1917 - Appearances as Referee | |
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| 03/06/1917 | Hungary | - | Austria | 6:2 | - | - | - |
| Complete name: | Karl Winkler |
| Born: | 00/00/1882 |
| Place of birth: |
Germany |
| Nationality: |
Germany |