| Competition | City | Date | Roles |
|---|
| 1 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Judge (Senior men, Junior men, Advanced novice girls, Basic novice B boys, Basic novice B girls) |
| 2 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Judge (Junior men) |
| 3 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Judge (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys) |
| 4 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Judge (Senior ladies, Junior men) |
| 5 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Judge (Senior men, Junior ladies) |
| 6 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Judge (Junior men) |
| 7 | Western Section Championships 2012 | Fukuoka | 2012-11-01 | Judge (Senior men, Junior ladies) |
| 8 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Judge (Senior men, Junior ladies) |
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