| Friendlies 2023 - Appearances as Referee |  |
 |
 |
||||
| 23/03/2023 | Hungary | - | Estonia | 1:0 | 3 | - | - |
| Friendlies 2023 - Appearances as Referee | |
|
|
||||
| 23/03/2023 | Hungary | - | Estonia | 1:0 | 3 | - | - |
| Complete name: | Walter Altmann |
| Born: | 24/12/1984 |
| Place of birth: |
Austria |
| Nationality: |
Austria |