Record by referee Werner Müller
| Competition | Date | Match | Match | Res. |
|---|---|---|---|---|
| Super League | 24.08.1991 | Grasshoppers - FC Luzern | GCZ - LUZ | 3:1 |
| Super League | 17.11.1991 | Grasshoppers - Young Boys | GCZ - YB | 2:1 |
| Super League | 21.03.1992 | Grasshoppers - Xamax | GCZ - XAM | 0:0 |
| Super League | 09.05.1992 | Xamax - Grasshoppers | XAM - GCZ | 1:0 |
| Super League | 23.05.1992 | St.Gallen - Grasshoppers | SGA - GCZ | 1:2 |
| Super League | 24.10.1992 | Servette - Grasshoppers | SFC - GCZ | 3:0 |
| Super League | 14.03.1993 | Grasshoppers - FC Luzern | GCZ - LUZ | 3:0 |
| Super League | 07.08.1993 | FC Lausanne - Grasshoppers | LS - GCZ | 2:1 |
| Super League | 25.09.1993 | Grasshoppers - FC Zürich | GCZ - FCZ | 2:0 |
| Super League | 15.04.1994 | Servette - Grasshoppers | SFC - GCZ | 1:1 |
| Super League | 20.11.1994 | Grasshoppers - St.Gallen | GCZ - SGA | 2:1 |