| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2020 | Hachinohe,Aomori | 2020-11-21 | Judge (Junior ladies) |
| 2 | Japan Junior Championships 2019 | Kanagawa | 2019-11-15 | Judge (Junior men) |
| 3 | Tokyo Regional Championships 2019 | Nishitokyo | 2019-09-20 | Controller (Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Intermediate novice boys)
|
| 4 | Tokyo Regional Championships 2018 | Nishitokyo | 2018-10-05 | Controller (Senior ladies, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
| 5 | Shu-Shikoku-Kyushu Regional Championships 2017 | Fukuoka | 2017-10-06 | Controller (Senior ladies, Junior ladies, Advanced novice boys)
|
| 6 | Eastern Section Championships 2016 | Nishitokyo | 2016-11-04 | Judge (Senior ladies, Junior men) |
| 7 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Specialist (Senior ladies, Junior men)
Assistant (Senior men, Advanced novice boys, Basic novice B boys)
|
| 8 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Specialist (Junior men, Advanced novice girls)
Assistant (Junior ladies)
|
| 9 | Chubu Regional Championships 2015 | Aichi | 2015-09-25 | Controller (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys)
|
| 10 | Chubu Regional Championships 2012 | Aichi | 2012-09-28 | Judge (Senior men, Junior ladies, Basic novice B girls) |
| 11 | Tokyo Regional Championships 2011 | Tokyo | 2011-10-08 | Judge (Senior men, Junior ladies, Advanced novice boys, Basic novice B girls) |
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