| U21 EURO Qualifiers 2021/2022 - Appearances as Referee |  |
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 |
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| 08/10/2021 | Belgium | - | Kazakhstan | 2:0 | 8 | - | - |
| U21 EURO Qualifiers 2021/2022 - Appearances as Referee | |
|
|
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| 08/10/2021 | Belgium | - | Kazakhstan | 2:0 | 8 | - | - |
| Complete name: | Walter Altmann |
| Born: | 24/12/1984 |
| Place of birth: |
Austria |
| Nationality: |
Austria |