| Competition | City | Date | Roles |
|---|
| 1 | Eastern Section Championships 2023 | Hachinohe | 2023-11-02 | Judge (Senior men, Junior ladies) |
| 2 | Tokyo Regional Championships 2023 | Nishitokyo | 2023-09-21 | Judge (Senior men, Junior ladies, Advanced novice boys, Intermediate novice girls) |
| 3 | Eastern Section Championships 2022 | Maebashi City | 2022-11-03 | Judge (Senior men, Junior ladies) |
| 4 | Japan Novice Championships 2021 | Otsu, Shiga | 2021-10-24 | Judge (Advanced novice girls, Intermediate novice boys) |
| 5 | Kinki Regional Championships 2020 | Osaka | 2020-10-02 | Judge (Senior ladies, Junior men, Advanced novice boys, Intermediate novice girls, Intermediate novice boys) |
| 6 | Chubu Regional Championships 2019 | Nagoya | 2019-09-27 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls, Intermediate novice boys) |
| 7 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior men, Junior ladies) |
| 8 | Japan Novice Championships 2017 | Otsu | 2017-10-20 | Judge (Advanced novice boys, Advanced novice girls) |
| 9 | Chubu Regional Championships 2015 | Aichi | 2015-09-25 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls) |
| 10 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Judge (Junior ladies, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
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