| Bundesliga 1989/1990 Upper Play-Off - Appearances as Referee |  |
 |
 |
||||
| 16/03/1990 | Austria Wien | - | Sturm Graz | 3:0 | 2 | - | - |
| 04/05/1990 | Rapid Wien | - | VSE St. Pölten | 6:3 | 1 | - | - |
| Bundesliga 1989/1990 Upper Play-Off - Appearances as Referee | |
|
|
||||
| 16/03/1990 | Austria Wien | - | Sturm Graz | 3:0 | 2 | - | - |
| 04/05/1990 | Rapid Wien | - | VSE St. Pölten | 6:3 | 1 | - | - |
| Complete name: | Udo Kratzer |
| Born: | 12/02/1945 |
| Place of birth: |
Austria |
| Nationality: |
Austria |