| Competition | City | Date | Roles |
|---|
| 1 | Tohoku-Hokkaido Regional Championships 2020 | Niigata | 2020-10-10 | Judge (Junior ladies, Intermediate novice boys) |
| 2 | Chubu Regional Championships 2020 | Nagoya | 2020-09-25 | Judge (Junior ladies, Advanced novice boys, Intermediate novice boys, Intermediate novice girls) |
| 3 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 4 | Chubu Regional Championships 2018 | Nagoya | 2018-09-28 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B girls) |
| 5 | Chubu Regional Championships 2017 | Aichi | 2017-09-29 | Controller (Junior ladies, Advanced novice girls)
|
| 6 | Chubu Regional Championships 2016 | Aichi | 2016-09-30 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
| 7 | Chubu Regional Championships 2015 | Aichi | 2015-09-25 | Controller (Senior men, Senior ladies, Junior men, Advanced novice girls)
|
| 8 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Controller (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys)
|
| 9 | Kanto Regional Championships 2012 | Yamanashi | 2012-09-27 | Specialist (Junior ladies)
Assistant (Basic novice B girls)
|
| 10 | Shu-Shikoku-Kyushu Regional Championships 2011 | Okayama | 2011-09-30 | Specialist (Advanced novice boys, Basic novice B boys)
Assistant (Junior ladies)
|
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