| 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 | 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) |
| 3 | Kinki Regional Championships 2019 | Shiga | 2019-10-03 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 4 | Chubu Regional Championships 2018 | Nagoya | 2018-09-28 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B girls) |
| 5 | Shu-Shikoku-Kyushu Regional Championships 2017 | Fukuoka | 2017-10-06 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 6 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys, Basic novice B boys) |
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