| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2023 | Yokohama | 2023-10-06 | Judge (Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 2 | Tokyo Regional Championships 2023 | Nishitokyo | 2023-09-21 | Judge (Senior ladies, Junior men, Advanced novice girls, Intermediate novice boys) |
| 3 | Tokyo Regional Championships 2022 | Nishitokyo | 2022-09-30 | Judge (Senior men, Junior ladies, Advanced novice boys, Intermediate novice girls) |
| 4 | Tokyo Regional Championships 2020 | Nishitokyo | 2020-10-09 | Judge (Senior men, Junior ladies, Advanced novice boys, Intermediate novice girls) |
| 5 | Chubu Regional Championships 2013 | Aichi | 2013-09-27 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls, Advanced novice boys, Basic novice B boys) |
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