| Competition | City | Date | Roles |
|---|
| 1 | Chubu Regional Championships 2020 | Nagoya | 2020-09-25 | Judge (Junior ladies, Advanced novice boys, Intermediate novice boys, Intermediate novice girls) |
| 2 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Judge (Junior ladies, Advanced novice girls, Advanced novice boys) |
| 3 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Judge (Senior men, Senior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
| 4 | Shu-Shikoku-Kyushu Regional Championships 2014 | Okayama | 2014-09-25 | Judge (Senior men, Senior ladies, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
| 5 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls) |
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