| U18 Premier League 2024 East - Appearances as Referee |  |
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 |
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| 14/04/2024 | Shoshi High School | - | Yokohama FC | 0:3 | 4 | - | - |
| 11/05/2024 | Kashima Antlers | - | Aomori Yamada High School | 3:0 | 3 | - | - |
| U18 Premier League 2024 East - Appearances as Referee | |
|
|
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| 14/04/2024 | Shoshi High School | - | Yokohama FC | 0:3 | 4 | - | - |
| 11/05/2024 | Kashima Antlers | - | Aomori Yamada High School | 3:0 | 3 | - | - |
| Complete name: | Mashio Ryu |
| Born: | |
| Place of birth: |
Japan |
| Nationality: |
Japan |