| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2023 | Hiroshima | 2023-10-25 | Judge (Senior men, Junior ladies) |
| 2 | Kinki Regional Championships 2023 | Otsu | 2023-09-29 | Judge (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice boys) |
| 3 | Tohoku-Hokkaido Regional Championships 2022 | Hachinohe | 2022-10-07 | Judge (Junior ladies, Advanced novice boys) |
| 4 | Tokyo Regional Championships 2022 | Nishitokyo | 2022-09-30 | Judge (Senior ladies, Junior men) |
| 5 | Chu-Shikoku-Kyushu Regional Championships 2021 | Fukuoka | 2021-09-23 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 6 | Japan Novice Championships 2020 | Gunma | 2020-10-24 | Judge (Advanced novice girls, Intermediate novice boys) |
| 7 | Kanto Regional Championships 2019 | Yamanashi | 2019-10-03 | Judge (Senior ladies, Senior men, Junior men, Intermediate novice boys, Intermediate novice girls) |
| 8 | Kanto Regional Championships 2018 | Nikko | 2018-09-27 | Judge (Senior men, Senior ladies, Junior men, Basic novice B boys, Basic novice B girls) |
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