| Bundesliga 1990/1991 Upper Play-Off - Appearances as Assistant | ||||
| 12/04/1991 | FC Tirol | - | SV Austria Salzburg | 1:0 |
| Bundesliga 1990/1991 Upper Play-Off - Appearances as Assistant | ||||
| 12/04/1991 | FC Tirol | - | SV Austria Salzburg | 1:0 |
| Complete name: | Heinz Prohaska |
| Born: | 26/04/1944 |
| Place of birth: |
Wien, 
Austria |
| Nationality: |
Austria |
| Profession: | Briefträger |