| Friendlies 1911 - Appearances as Referee |  |
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 |
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| 26/03/1911 | Germany | - | Switzerland | 6:2 | - | - | - |
| 07/05/1911 | Austria | - | Hungary | 3:1 | - | - | - |
| Friendlies 1911 - Appearances as Referee | |
|
|
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| 26/03/1911 | Germany | - | Switzerland | 6:2 | - | - | - |
| 07/05/1911 | Austria | - | Hungary | 3:1 | - | - | - |
| Complete name: | Hubert Istace |
| Born: | 00/00/1878 † |
| Place of birth: |
Belgium |
| Nationality: |
Belgium |