| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2023 | Hiroshima | 2023-10-25 | Judge (Senior ladies, Senior ice dance, Junior men, Junior ice dance) |
| 2 | Japan Novice Championships 2023 | Tokyo | 2023-10-20 | Judge (Novice ice dance) |
| 3 | Japan Junior Championships 2022 | Ibaraki | 2022-11-25 | Judge (Junior ladies, Junior ice dance) |
| 4 | Japan Novice Championships 2022 | Sapporo | 2022-10-21 | Judge (Advanced novice girls, Intermediate novice boys, Novice ice dance) |
| 5 | Japan Junior Championships 2021 | Nagoya | 2021-11-19 | Judge (Junior ladies, Junior ice dance) |
| 6 | Japan Novice Championships 2021 | Otsu, Shiga | 2021-10-24 | Judge (Advanced novice boys, Intermediate novice girls, Novice ice dance) |
| 7 | Chu-Shikoku-Kyushu Regional Championships 2021 | Fukuoka | 2021-09-23 | Controller (Senior ladies, Junior ladies, Advanced novice boys)
|
| 8 | Eastern Section Ice Dance Championships 2020 | Kyoto | 2020-10-30 | Judge (Senior ice dance, Junior ice dance) |
| 9 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Judge (Senior men, Senior ice dance 2, Junior ladies, Junior ice dance 2) |
| 10 | Japan Junior Championships 2019 | Kanagawa | 2019-11-15 | Judge (Junior ladies, Junior ice dance) |
| 11 | Japan Novice Championships 2018 | Osaka | 2018-10-19 | Judge (Novice ice dance) |
| 12 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Judge (Senior ladies, Senior men, Junior men, Basic novice B boys, Basic novice B girls) |
| 13 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Controller (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys)
|
| 14 | Japan Junior Championships 2016 | Sapporo | 2016-11-18 | Judge (Junior men) |
| 15 | Japan Novice Championships 2016 | Osaka | 2016-10-21 | Controller (Basic novice B girls, Basic novice B boys)
|
| 16 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Controller (Junior ladies, Junior men, Advanced novice girls)
|
| 17 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Judge (Senior men, Junior ladies) |
| 18 | Japan Novice Championships 2012 | Kyoto | 2012-10-26 | Judge (Advanced novice girls, Advanced novice boys) |
| 19 | Kinki Regional Championships 2012 | Shiga | 2012-10-05 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls, Basic novice B boys) |
| 20 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Judge (Senior ladies, Junior men) |
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