| Competition | City | Date | Roles |
|---|
| 1 | Chubu Regional Championships 2019 | Nagoya | 2019-09-27 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls, Intermediate novice boys) |
| 2 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior men, Junior ladies) |
| 3 | Japan Novice Championships 2017 | Otsu | 2017-10-20 | Judge (Advanced novice boys, Advanced novice girls) |
| 4 | Chubu Regional Championships 2015 | Aichi | 2015-09-25 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls) |
| 5 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
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