| Cup Winners Cup 1970/1971 - Appearances as Referee |  |
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 |
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| 21/10/1970 | Cardiff City | - | FC Nantes | 5:1 | - | - | - |
| Cup Winners Cup 1970/1971 - Appearances as Referee | |
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|
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| 21/10/1970 | Cardiff City | - | FC Nantes | 5:1 | - | - | - |
| Complete name: | Wolfgang Riedel |
| Born: | 19/12/1928 † 12/11/2007 |
| Place of birth: |
Falkensee, 
Germany |
| Nationality: |
Germany |