| Bundesliga 2022/2023 Meistergruppe - Appearances as Referee |  |
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 |
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| 26/04/2023 | Rapid Wien | - | RB Salzburg | 1:1 | 7 | - | 1 |
| 21/05/2023 | RB Salzburg | - | Sturm Graz | 2:1 | 7 | - | - |
| Bundesliga 2022/2023 Meistergruppe - Appearances as Referee | |
|
|
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| 26/04/2023 | Rapid Wien | - | RB Salzburg | 1:1 | 7 | - | 1 |
| 21/05/2023 | RB Salzburg | - | Sturm Graz | 2:1 | 7 | - | - |
| Complete name: | Walter Altmann |
| Born: | 24/12/1984 |
| Place of birth: |
Austria |
| Nationality: |
Austria |