| Competition | City | Date | Roles |
|---|
| 1 | Chu-Shikoku-Kyushu Regional Championships 2022 | Okayama | 2022-09-30 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 2 | Kanto Regional Championships 2013 | Saitama | 2013-10-11 | Judge (Junior ladies, Basic novice B girls) |
| 3 | Kanto Regional Championships 2012 | Yamanashi | 2012-09-27 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
| 4 | Kanto Regional Championships 2011 | Gunma | 2011-10-14 | Judge (Junior ladies, Basic novice B girls) |
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