| Youth B Sonderspielrunde 2023 Vorrunde - Appearances as Referee |  |
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| 12/04/2023 | Hansa Rostock | - | 1. FC Union Berlin | 4:1 | 1 | - | - |
| Youth B Sonderspielrunde 2023 Vorrunde - Appearances as Referee | |
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| 12/04/2023 | Hansa Rostock | - | 1. FC Union Berlin | 4:1 | 1 | - | - |
| Complete name: | Willem Smakman |
| Born: | |
| Place of birth: |
Germany |
| Nationality: |
Germany |