| U20 World Cup 1979 in Japan - Appearances as Assistant | ||||
| 25/08/1979 | Paraguay | - | South Korea | 3:0 |
| 29/08/1979 | Portugal | - | South Korea | 0:0 |
| U20 World Cup 1979 in Japan - Appearances as Assistant | ||||
| 25/08/1979 | Paraguay | - | South Korea | 3:0 |
| 29/08/1979 | Portugal | - | South Korea | 0:0 |
| Complete name: | Alojzy Jarguz |
| Born: | 19/03/1934 † 22/04/2019 |
| Place of birth: |
Poland |
| Nationality: |
Poland |