| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2023 | Otsu | 2023-11-11 | Judge (Junior men) |
| 2 | Kanto Regional Championships 2023 | Yokohama | 2023-10-06 | Judge (Senior men, Junior ladies) |
| 3 | Eastern Section Championships 2022 | Maebashi City | 2022-11-03 | Judge (Senior men, Junior ladies) |
| 4 | Tohoku-Hokkaido Regional Championships 2022 | Hachinohe | 2022-10-07 | Specialist (Junior ladies)
|
| 5 | Chubu Regional Championships 2022 | Nagoya | 2022-09-23 | Controller (Senior men, Senior ladies, Junior men, Intermediate novice girls)
|
| 6 | Western Section Championships 2021 | Fukuoa | 2021-11-04 | Judge (Senior men, Junior ladies) |
| 7 | Eastern Section Championships 2021 | Tokyo | 2021-10-28 | Controller (Senior ladies, Junior men)
|
| 8 | Kinki Regional Championships 2021 | Kyoto | 2021-10-07 | Controller (Senior men, Junior ladies, Advanced novice girls)
|
| 9 | Eastern Section Championships 2020 | Kofu | 2020-11-06 | Controller (Senior men, Junior ladies)
|
| 10 | Tohoku-Hokkaido Regional Championships 2020 | Niigata | 2020-10-10 | Judge (Junior ladies, Intermediate novice boys) |
| 11 | Eastern Section Championships 2019 | Nagano | 2019-10-24 | Judge (Senior men, Junior ladies) |
| 12 | Japan Novice Championships 2019 | Nishitokyo | 2019-10-18 | Specialist (Advanced novice boys)
Assistant (Intermediate novice girls)
|
| 13 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 14 | Tokyo Regional Championships 2018 | Nishitokyo | 2018-10-05 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
| 15 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Specialist (Advanced novice girls, Basic novice B girls)
Assistant (Junior ladies)
|
| 16 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Judge (Junior ladies, Advanced novice girls, Basic novice B girls) |
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