| U21 Friendlies 2000 - Appearances as Referee |  |
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| 24/04/2000 | Germany | - | Switzerland | 3:0 | - | - | - |
| U21 Friendlies 2000 - Appearances as Referee | |
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| 24/04/2000 | Germany | - | Switzerland | 3:0 | - | - | - |
| Complete name: | Henri Diederich |
| Born: | 13/03/1958 |
| Place of birth: |
Luxembourg |
| Nationality: |
Luxembourg |