| Competition | City | Date | Roles |
|---|
| 1 | Shu-Shikoku-Kyushu Regional Championships 2017 | Fukuoka | 2017-10-06 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 2 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls) |
| 3 | Japan Novice Championships 2013 | Ibaraki | 2013-10-25 | Judge (Basic novice B boys, Basic novice B girls) |
| 4 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Judge (Junior ladies, Advanced novice girls) |
| 5 | Shu-Shikoku-Kyushu Regional Championships 2012 | Shimane | 2012-10-11 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
| 6 | Shu-Shikoku-Kyushu Regional Championships 2011 | Okayama | 2011-09-30 | Judge (Junior ladies, Advanced novice boys, Basic novice B boys) |
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