| World Cup 1978 Argentina - Appearances as Assistant | ||||
| 02/06/1978 | Tunisia | - | Mexico | 3:1 |
| 14/06/1978 | Brazil | - | Peru | 3:0 |
| World Cup 1978 Argentina - Appearances as Assistant | ||||
| 02/06/1978 | Tunisia | - | Mexico | 3:1 |
| 14/06/1978 | Brazil | - | Peru | 3:0 |
| Complete name: | Jean Dubach |
| Born: | 28/02/1930 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |