| Europa Conference League Qual. 2023/2024 - Appearances as Referee |  |
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| 03/08/2023 | Dundalk FC | - | KA Akureyri | 2:2 | 4 | - | - |
| Europa Conference League Qual. 2023/2024 - Appearances as Referee | |
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| 03/08/2023 | Dundalk FC | - | KA Akureyri | 2:2 | 4 | - | - |
| Complete name: | Walter Altmann |
| Born: | 24/12/1984 |
| Place of birth: |
Austria |
| Nationality: |
Austria |