| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2022 | Nikko, Tochigi | 2022-09-23 | Judge (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice girls) |
| 2 | Kanto Regional Championships 2018 | Nikko | 2018-09-27 | Judge (Senior men, Senior ladies, Junior men, Basic novice B boys, Basic novice B girls) |
| 3 | Kanto Regional Championships 2016 | Ibaraki | 2016-09-30 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls) |
| 4 | Kanto Regional Championships 2015 | Chiba | 2015-10-08 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls, Basic novice B boys) |
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