| Bundesliga 1988/1989 - Appearances as Referee |  |
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| 23/09/1988 | Grazer AK | - | Linzer ASK | 2:0 | - | - | - |
| 04/11/1988 | Linzer ASK | - | FC Tirol | 1:1 | - | - | - |
| 02/12/1988 | Austria Klagenfurt | - | Grazer AK | 3:1 | 1 | - | - |
| Bundesliga 1988/1989 - Appearances as Referee | |
|
|
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| 23/09/1988 | Grazer AK | - | Linzer ASK | 2:0 | - | - | - |
| 04/11/1988 | Linzer ASK | - | FC Tirol | 1:1 | - | - | - |
| 02/12/1988 | Austria Klagenfurt | - | Grazer AK | 3:1 | 1 | - | - |
| Complete name: | Udo Kratzer |
| Born: | 12/02/1945 |
| Place of birth: |
Austria |
| Nationality: |
Austria |