| Deutsche Meisterschaft 1940/1941 - Appearances as Referee |  |
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| 13/04/1941 | Berliner Tennis Club Borussia | - | Dresdner SC | 0:1 | - | - | - |
| Deutsche Meisterschaft 1940/1941 - Appearances as Referee | |
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| 13/04/1941 | Berliner Tennis Club Borussia | - | Dresdner SC | 0:1 | - | - | - |
| Complete name: | Karl Weingärtner |
| Born: | 00/00/1891 † |
| Place of birth: |
Germany |
| Residence: | Posen / Offenbach |
| Nationality: |
Germany |