| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2021 | Chiba | 2021-09-30 | Judge (Senior men, Junior ladies, Intermediate novice boys) |
| 2 | Kanto Regional Championships 2020 | Hitachinaka City | 2020-10-02 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Intermediate novice boys, Intermediate novice girls) |
| 3 | Kanto Regional Championships 2019 | Yamanashi | 2019-10-03 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys) |
| 4 | Tohoku-Hokkaido Regional Championships 2018 | Sapporo | 2018-09-21 | Judge (Senior men, Senior ladies, Junior men, Basic novice B boys, Basic novice B girls) |
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