| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2023 | Otsu | 2023-11-11 | Judge (Junior men, Junior pairs) |
| 2 | Tohoku-Hokkaido Regional Championships 2023 | Niigata | 2023-09-29 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Intermediate novice girls) |
| 3 | Kanto Regional Championships 2022 | Nikko, Tochigi | 2022-09-23 | Judge (Junior ladies, Intermediate novice boys) |
| 4 | Chu-Shikoku-Kyushu Regional Championships 2021 | Fukuoka | 2021-09-23 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 5 | Tohoku-Hokkaido Regional Championships 2020 | Niigata | 2020-10-10 | Judge (Junior ladies, Intermediate novice boys) |
| 6 | Chubu Regional Championships 2017 | Aichi | 2017-09-29 | Judge (Junior ladies, Advanced novice girls) |
| 7 | Kinki Regional Championships 2015 | Otsu | 2015-10-09 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys) |
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