| Super League 1993 Relegation group A - Appearances as Referee |  |
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| 22/05/1993 | FC Bulle | - | FC Wil 1900 | 1:1 | - | - | - |
| 09/06/1993 | FC Wil 1900 | - | FC Basel | 1:1 | - | - | - |
| Super League 1993 Relegation group A - Appearances as Referee | |
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| 22/05/1993 | FC Bulle | - | FC Wil 1900 | 1:1 | - | - | - |
| 09/06/1993 | FC Wil 1900 | - | FC Basel | 1:1 | - | - | - |
| Complete name: | Erwin Schuler |
| Born: | 18/01/1955 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |