| Competition | City | Date | Roles |
|---|
| 1 | Tohoku-Hokkaido Regional Championships 2020 | Niigata | 2020-10-10 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Intermediate novice girls) |
| 2 | Tokyo Regional Championships 2018 | Nishitokyo | 2018-10-05 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
| 3 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Judge (Junior ladies, Advanced novice girls, Basic novice B girls) |
| 4 | Tohoku-Hokkaido Regional Championships 2015 | Misawa | 2015-10-01 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls) |
| 5 | Tohoku-Hokkaido Regional Championships 2013 | Aomori | 2013-10-11 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
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