| Friendlies 2021 - Appearances as Referee |  |
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 |
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| 01/06/2021 | Slovakia | - | Bulgaria | 1:1 | 1 | - | - |
| Friendlies 2021 - Appearances as Referee | |
|
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| 01/06/2021 | Slovakia | - | Bulgaria | 1:1 | 1 | - | - |
| Complete name: | Walter Altmann |
| Born: | 24/12/1984 |
| Place of birth: |
Austria |
| Nationality: |
Austria |