| Super League 1998/1999 - Appearances as Referee |  |
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 |
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| 21/07/1998 | Lausanne Sports | - | FC Luzern | 2:2 | 5 | 1 | - |
| 15/08/1998 | Servette FC | - | FC St. Gallen | 1:0 | 7 | 1 | - |
| 08/09/1998 | FC Sion | - | FC Aarau | 3:2 | 2 | - | - |
| Super League 1998/1999 - Appearances as Referee | |
|
|
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| 21/07/1998 | Lausanne Sports | - | FC Luzern | 2:2 | 5 | 1 | - |
| 15/08/1998 | Servette FC | - | FC St. Gallen | 1:0 | 7 | 1 | - |
| 08/09/1998 | FC Sion | - | FC Aarau | 3:2 | 2 | - | - |
| Complete name: | Guido Wildhaber |
| Born: | 24/05/1962 |
| Place of birth: |
Switzerland |
| Nationality: |
Switzerland |