| U21 EURO Qualifiers 2023/2024 - Appearances as Referee |  |
 |
 |
||||
| 17/10/2023 | Kazakhstan | - | Spain | 0:4 | 5 | - | - |
| 17/11/2023 | Norway | - | Ireland | 3:2 | 3 | - | - |
| 11/10/2024 | Wales | - | Czech Republic | 1:2 | 4 | - | - |
| U21 EURO Qualifiers 2023/2024 - Appearances as Referee | |
|
|
||||
| 17/10/2023 | Kazakhstan | - | Spain | 0:4 | 5 | - | - |
| 17/11/2023 | Norway | - | Ireland | 3:2 | 3 | - | - |
| 11/10/2024 | Wales | - | Czech Republic | 1:2 | 4 | - | - |
| Complete name: | Walter Altmann |
| Born: | 24/12/1984 |
| Place of birth: |
Austria |
| Nationality: |
Austria |