| Competition | City | Date | Roles |
|---|
| 1 | Kanto Regional Championships 2023 | Yokohama | 2023-10-06 | Judge (Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 2 | Kinki Regional Championships 2022 | Amagasaki | 2022-10-08 | Judge (Senior men, Junior ladies, Advanced novice girls) |
| 3 | Western Section Championships 2021 | Fukuoa | 2021-11-04 | Judge (Senior men, Junior ladies) |
| 4 | Kanto Regional Championships 2021 | Chiba | 2021-09-30 | Judge (Senior men, Junior ladies, Intermediate novice boys) |
| 5 | Chubu Regional Championships 2021 | Nagoya | 2021-09-24 | Judge (Senior ladies, Senior men, Junior men, Intermediate novice girls, Intermediate novice boys) |
| 6 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Judge (Senior ladies, Junior men) |
| 7 | Kinki Regional Championships 2019 | Shiga | 2019-10-03 | Judge (Senior men, Senior ladies, Junior men, Intermediate novice boys, Intermediate novice girls) |
| 8 | Eastern Section Championships 2018 | Hachinohe | 2018-10-25 | Judge (Senior men, Junior ladies) |
| 9 | Kanto Regional Championships 2018 | Nikko | 2018-09-27 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 10 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys) |
| 11 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Judge (Junior ladies, Advanced novice girls, Basic novice B girls) |
| 12 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Judge (Junior men, Junior ladies, Advanced novice girls) |
| 13 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls) |
| 14 | Chubu Regional Championships 2013 | Aichi | 2013-09-27 | Judge (Junior ladies, Basic novice B girls) |
| 15 | Chubu Regional Championships 2011 | Aichi | 2011-09-30 | Judge (Junior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
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