| Competition | City | Date | Roles |
|---|
| 1 | Tohoku-Hokkaido Regional Championships 2022 | Hachinohe | 2022-10-07 | Judge (Junior ladies, Advanced novice boys) |
| 2 | Kanto Regional Championships 2022 | Nikko, Tochigi | 2022-09-23 | Judge (Junior ladies, Intermediate novice boys) |
| 3 | Japan Novice Championships 2020 | Gunma | 2020-10-24 | Judge (Advanced novice girls, Intermediate novice boys) |
| 4 | Tohoku-Hokkaido Regional Championships 2020 | Niigata | 2020-10-10 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice girls) |
| 5 | Tohoku-Hokkaido Regional Championships 2019 | Hachinohe Aomori | 2019-09-20 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 6 | Tohoku-Hokkaido Regional Championships 2015 | Misawa | 2015-10-01 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
| 7 | Tohoku-Hokkaido Regional Championships 2014 | Hokkaido | 2014-10-02 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
| 8 | Tohoku-Hokkaido Regional Championships 2013 | Aomori | 2013-10-11 | Judge (Junior ladies, Basic novice B girls) |
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