| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2023 | Otsu | 2023-11-11 | Judge (Junior ladies, Junior pairs) |
| 2 | Eastern Section Championships 2023 | Hachinohe | 2023-11-02 | Specialist (Senior ladies)
Assistant (Junior men)
Judge (Senior pairs, Junior pairs) |
| 3 | Tokyo Regional Championships 2023 | Nishitokyo | 2023-09-21 | Controller (Senior men, Junior ladies, Advanced novice boys, Intermediate novice girls)
|
| 4 | Eastern Section Championships 2022 | Maebashi City | 2022-11-03 | Judge (Senior men, Junior ladies) |
| 5 | Tokyo Regional Championships 2022 | Nishitokyo | 2022-09-30 | Specialist (Senior ladies)
|
| 6 | Eastern Section Championships 2021 | Tokyo | 2021-10-28 | Judge (Senior ladies, Junior men) |
| 7 | Tokyo Regional Championships 2021 | Nishitokyo | 2021-10-07 | Specialist (Senior men, Advanced novice boys, Intermediate novice girls)
Assistant (Junior ladies)
|
| 8 | Chu-Shikoku-Kyushu Regional Championships 2020 | Okayama | 2020-09-25 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 9 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Specialist (Junior men, Advanced novice girls, Intermediate novice girls)
Assistant (Senior men, Intermediate novice boys)
|
| 10 | Tokyo Regional Championships 2019 | Nishitokyo | 2019-09-20 | Judge (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice boys) |
| 11 | Tokyo Regional Championships 2018 | Nishitokyo | 2018-10-05 | Specialist (Senior men)
Assistant (Junior ladies, Advanced novice girls)
|
| 12 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Judge (Senior men, Junior men, Advanced novice girls, Basic novice B girls, Basic novice B boys) |
| 13 | Kanto Regional Championships 2017 | Kanagawa | 2017-09-28 | Specialist (Junior ladies)
Assistant (Advanced novice boys, Basic novice B girls)
|
| 14 | Tokyo Regional Championships 2017 | Tokyo | 2017-09-21 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls) |
| 15 | Upper Great Lakes Regional Championships 2017 | Rochester | 2016-10-19 | Specialist (Senior ladies, Junior ladies 1, Junior ladies 3, Juvenile girls 1, Juvenile boys)
Assistant (Junior ladies 1, Junior ladies 2, Intermediate ladies 1, Juvenile girls 3)
|
| 16 | Tohoku-Hokkaido Regional Championships 2012 | Hokkaido | 2012-10-12 | Judge (Junior ladies, Advanced novice girls) |
| 17 | Tokyo Regional Championships 2012 | Tokyo | 2012-10-05 | Specialist (Senior ladies, Advanced novice boys, Basic novice B boys)
Assistant (Advanced novice girls, Basic novice B girls)
|
| 18 | Tohoku-Hokkaido Regional Championships 2011 | Aomori | 2011-10-12 | Specialist (Junior ladies)
Assistant (Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
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