| Super League 1990/1991 Abstieg Gruppe B - Appearances as Referee |  |
 |
 |
||||
| 27/03/1991 | BSC Old Boys | - | FC Locarno | 0:4 | 1 | - | - |
| 18/05/1991 | FC La Chaux-de-Fonds | - | BSC Old Boys | 0:3 | 2 | - | - |
| Super League 1990/1991 Abstieg Gruppe B - Appearances as Referee | |
|
|
||||
| 27/03/1991 | BSC Old Boys | - | FC Locarno | 0:4 | 1 | - | - |
| 18/05/1991 | FC La Chaux-de-Fonds | - | BSC Old Boys | 0:3 | 2 | - | - |
| Complete name: | Oswald Gritsch |
| Born: | 06/10/1946 |
| Place of birth: |
Liechtenstein |
| Nationality: |
Liechtenstein |