| Super League 1990/1991 - Appearances as Referee |  |
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| 15/09/1990 | Lausanne Sports | - | FC Lugano | 3:0 | 1 | - | - |
| 27/10/1990 | FC Aarau | - | BSC Young Boys | 2:1 | 4 | - | - |
| Super League 1990/1991 - Appearances as Referee | |
|
|
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| 15/09/1990 | Lausanne Sports | - | FC Lugano | 3:0 | 1 | - | - |
| 27/10/1990 | FC Aarau | - | BSC Young Boys | 2:1 | 4 | - | - |
| Complete name: | Erwin Schuler |
| Born: | 18/01/1955 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |