| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2017 | Kanagawa | 2017-09-28 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls) |
| 2 | Kanto Regional Championships 2016 | Ibaraki | 2016-09-30 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls, Basic novice B boys) |
| 3 | Tokyo Regional Championships 2014 | Tokyo | 2014-10-10 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B boys) |
| 4 | Kanto Regional Championships 2014 | Nagano | 2014-09-25 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
| 5 | Tokyo Regional Championships 2013 | Tokyo | 2013-10-03 | Judge (Senior ladies, Senior men, Advanced novice girls, Basic novice B girls) |
| 6 | Chubu Regional Championships 2013 | Aichi | 2013-09-27 | Judge (Junior ladies, Basic novice B girls) |
| 7 | Tokyo Regional Championships 2011 | Tokyo | 2011-10-08 | Judge (Senior ladies, Junior men, Advanced novice girls, Basic novice B boys) |
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