| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2023 | Yokohama | 2023-10-06 | Judge (Senior men, Junior ladies) |
| 2 | Chu-Shikoku-Kyushu Regional Championships 2021 | Fukuoka | 2021-09-23 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 3 | Kinki Regional Championships 2020 | Osaka | 2020-10-02 | Judge (Senior ladies, Junior men, Advanced novice boys, Intermediate novice boys, Intermediate novice girls) |
| 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) |
| 5 | Tohoku-Hokkaido Regional Championships 2017 | Niigata | 2017-09-21 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 6 | Chubu Regional Championships 2016 | Aichi | 2016-09-30 | Judge (Junior ladies, Advanced novice girls) |
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