| DFB-Pokal 1940 - Appearances as Referee |  |
 |
 |
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| 11/08/1940 | SV Steinach 1908 | - | CSC 03 Kassel | 4:2 | - | - | - |
| 20/10/1940 | 1. FC Nürnberg | - | Schwarz-Weiß Essen | 2:1 | - | - | - |
| DFB-Pokal 1940 - Appearances as Referee | |
|
|
||||
| 11/08/1940 | SV Steinach 1908 | - | CSC 03 Kassel | 4:2 | - | - | - |
| 20/10/1940 | 1. FC Nürnberg | - | Schwarz-Weiß Essen | 2:1 | - | - | - |
| Complete name: | Dieffenbach |
| Born: | |
| Place of birth: |
Leipzig, 
Germany |
| Nationality: |
Germany |