| Oberliga West (1947-63) 1950/1951 - Appearances as Referee |  |
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| 08/10/1950 | FC Schalke 04 | - | SpVgg Erkenschwick | 0:3 | - | - | - |
| 12/11/1950 | Borussia VfL M.-Gladbach | - | Preußen Dellbrück | 3:3 | - | - | - |
| 11/03/1951 | Rheydter SV | - | 1. FC Köln | 1:0 | - | - | - |
| Oberliga West (1947-63) 1950/1951 - Appearances as Referee | |
|
|
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| 08/10/1950 | FC Schalke 04 | - | SpVgg Erkenschwick | 0:3 | - | - | - |
| 12/11/1950 | Borussia VfL M.-Gladbach | - | Preußen Dellbrück | 3:3 | - | - | - |
| 11/03/1951 | Rheydter SV | - | 1. FC Köln | 1:0 | - | - | - |
| Complete name: | Roppel |
| Born: | |
| Place of birth: |
Germany |
| Residence: | Hattingen |
| Nationality: |
Germany |