| Competition | City | Date | Roles |
|---|
| 1 | Japan Novice Championships 2023 | Tokyo | 2023-10-20 | Judge (Advanced novice boys, Intermediate novice girls) |
| 2 | Tokyo Regional Championships 2023 | Nishitokyo | 2023-09-21 | Judge (Senior ladies, Junior men, Advanced novice girls, Intermediate novice boys) |
| 3 | Kanto Regional Championships 2022 | Nikko, Tochigi | 2022-09-23 | Judge (Junior ladies, Intermediate novice boys) |
| 4 | Kanto Regional Championships 2021 | Chiba | 2021-09-30 | Judge (Senior men, Junior ladies, Intermediate novice boys) |
| 5 | Japan Novice Championships 2019 | Nishitokyo | 2019-10-18 | Judge (Advanced novice girls, Intermediate novice boys) |
| 6 | Kanto Regional Championships 2019 | Yamanashi | 2019-10-03 | Judge (Senior men, Senior ladies, Junior men, Intermediate novice boys, Intermediate novice girls) |
| 7 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Judge (Senior men, Junior ladies) |
| 8 | Kanto Regional Championships 2018 | Nikko | 2018-09-27 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 9 | Kanto Regional Championships 2017 | Kanagawa | 2017-09-28 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls, Basic novice B boys) |
| 10 | Tokyo Regional Championships 2017 | Tokyo | 2017-09-21 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls) |
| 11 | Kanto Regional Championships 2016 | Ibaraki | 2016-09-30 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls) |
| 12 | Kanto Regional Championships 2015 | Chiba | 2015-10-08 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls) |
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