| Competition | City | Date | Roles |
|---|
| 1 | Chu-Shikoku-Kyushu Regional Championships 2023 | Fukuoka | 2023-10-06 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 2 | Kanto Regional Championships 2022 | Nikko, Tochigi | 2022-09-23 | Judge (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice girls) |
| 3 | Kinki Regional Championships 2021 | Kyoto | 2021-10-07 | Judge (Senior ladies, Junior men, Advanced novice boys, Intermediate novice girls, Intermediate novice boys) |
| 4 | Kinki Regional Championships 2019 | Shiga | 2019-10-03 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls) |
| 5 | Japan Novice Championships 2018 | Osaka | 2018-10-19 | Judge (Basic novice B boys, Basic novice B girls) |
| 6 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B boys) |
| 7 | Chubu Regional Championships 2015 | Aichi | 2015-09-25 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls) |
| 8 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Judge (Senior men, Senior ladies, Junior men, Basic novice B girls) |
| 9 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Judge (Junior ladies, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
| 10 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls) |
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