| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2022 | Kyoto | 2022-10-27 | Judge (Senior ice dance, Junior ice dance) |
| 2 | Japan Junior Championships 2021 | Nagoya | 2021-11-19 | Judge (Junior ice dance) |
| 3 | Japan Novice Championships 2020 | Gunma | 2020-10-24 | Judge (Advanced novice boys, Intermediate novice girls, Novice ice dance) |
| 4 | Chubu Regional Championships 2020 | Nagoya | 2020-09-25 | Judge (Junior ladies, Advanced novice boys, Intermediate novice boys, Intermediate novice girls) |
| 5 | Japan Novice Championships 2019 | Nishitokyo | 2019-10-18 | Judge (Advanced novice girls, Intermediate novice boys, Novice ice dance) |
| 6 | Tokyo Regional Championships 2019 | Nishitokyo | 2019-09-20 | Judge (Senior men, Junior ladies, Intermediate novice girls) |
| 7 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Judge (Senior men, Junior ladies) |
| 8 | Japan Novice Championships 2018 | Osaka | 2018-10-19 | Judge (Advanced novice boys, Advanced novice girls, Novice ice dance) |
| 9 | Chubu Regional Championships 2018 | Nagoya | 2018-09-28 | Judge (Junior ladies, Advanced novice girls, Basic novice B boys) |
| 10 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Judge (Senior ladies, Junior men) |
| 11 | Japan Novice Championships 2016 | Osaka | 2016-10-21 | Judge (Basic novice B boys, Basic novice B girls) |
| 12 | Eastern Section Championships 2015 | Gunma | 2015-10-29 | Judge (Senior men, Junior ladies) |
| 13 | Japan Novice Championships 2015 | Tokyo | 2015-10-23 | Judge (Basic novice B boys, Basic novice B girls) |
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