| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2023 | Hiroshima | 2023-10-25 | Judge (Senior men, Junior ladies) |
| 2 | Chu-Shikoku-Kyushu Regional Championships 2023 | Fukuoka | 2023-10-06 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 3 | Japan Junior Championships 2022 | Ibaraki | 2022-11-25 | Judge (Junior men) |
| 4 | Chu-Shikoku-Kyushu Regional Championships 2022 | Okayama | 2022-09-30 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 5 | Japan Championships 2019 | Tokyo | 2019-12-18 | Judge (Senior men, Senior pairs) |
| 6 | Kinki Regional Championships 2019 | Shiga | 2019-10-03 | Judge (Senior ladies, Senior men, Junior men, Intermediate novice boys, Intermediate novice girls) |
| 7 | Japan Junior Championships 2018 | Fukuoka | 2018-11-23 | Judge (Junior ladies) |
| 8 | Western Section Championships 2018 | Aichi-ken | 2018-11-01 | Judge (Senior men, Junior ladies) |
| 9 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Controller (Senior ladies, Junior ladies, Advanced novice boys)
|
| 10 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior men, Junior ladies) |
| 11 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior men) |
| 12 | Shu-Shikoku-Kyushu Regional Championships 2016 | Okayama | 2016-09-23 | Controller (Senior men, Junior men, Advanced novice girls, Basic novice B boys, Basic novice B girls)
|
| 13 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior ladies) |
| 14 | Japan Novice Championships 2015 | Tokyo | 2015-10-23 | Controller (Advanced novice boys, Advanced novice girls)
|
| 15 | Japan Novice Championships 2014 | Osaka | 2014-10-24 | Controller (Advanced novice boys, Advanced novice girls)
|
| 16 | Shu-Shikoku-Kyushu Regional Championships 2014 | Okayama | 2014-09-25 | Controller (Junior men, Junior ladies, Advanced novice girls)
|
| 17 | Western Section Championships 2013 | Kyoto | 2013-11-01 | Judge (Senior men, Junior ladies) |
| 18 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Controller (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
| 19 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Judge (Junior ladies) |
| 20 | Shu-Shikoku-Kyushu Regional Championships 2012 | Shimane | 2012-10-11 | Controller (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys)
|
| 21 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Judge (Senior ladies, Junior men) |
| 22 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Controller (Junior ladies, Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
| 23 | Shu-Shikoku-Kyushu Regional Championships 2011 | Okayama | 2011-09-30 | Controller (Senior men, Senior ladies, Junior men, Advanced novice girls, Basic novice B girls)
|
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