| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2020 | Hitachinaka City | 2020-10-02 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Intermediate novice girls, Intermediate novice boys) |
| 2 | Kanto Regional Championships 2019 | Yamanashi | 2019-10-03 | Judge (Senior ladies, Senior men, Junior men, Intermediate novice boys, Intermediate novice girls) |
| 3 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys) |
| 4 | Tohoku-Hokkaido Regional Championships 2017 | Niigata | 2017-09-21 | Judge (Senior ladies, Senior men, Junior men, Basic novice B boys, Basic novice B girls) |
| 5 | Kinki Regional Championships 2015 | Otsu | 2015-10-09 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys) |
| 6 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
| 7 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Judge (Senior men, Senior ladies, Junior men, Basic novice B girls) |
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