| U20 World Cup 1981 in Australien - Appearances as Referee |  |
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| 06/10/1981 | Brazil | - | Italy | 1:0 | 5 | - | 1 |
| U20 World Cup 1981 in Australien - Appearances as Referee | |
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| 06/10/1981 | Brazil | - | Italy | 1:0 | 5 | - | 1 |
| Complete name: | Jan Redelfs |
| Born: | 20/08/1935 † 10/11/1995 |
| Place of birth: |
Hannover, 
Germany |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 151 |