| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2023 | Otsu | 2023-11-11 | Judge (Junior men, Junior pairs) |
| 2 | Eastern Section Championships 2023 | Hachinohe | 2023-11-02 | Judge (Senior ladies, Senior pairs, Junior men, Junior pairs) |
| 3 | Western Section Championships 2022 | Kyoto | 2022-10-27 | Specialist (Senior ladies)
|
| 4 | Japan Junior Championships 2021 | Nagoya | 2021-11-19 | Specialist (Junior ladies)
|
| 5 | Western Section Championships 2021 | Fukuoa | 2021-11-04 | Judge (Senior ladies, Junior men) |
| 6 | Chubu Regional Championships 2021 | Nagoya | 2021-09-24 | Specialist (Junior ladies)
Assistant (Advanced novice boys, Advanced novice girls)
|
| 7 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Specialist (Senior ladies)
Assistant (Junior men)
|
| 8 | Chu-Shikoku-Kyushu Regional Championships 2020 | Okayama | 2020-09-25 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 9 | Eastern Section Championships 2019 | Nagano | 2019-10-24 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 10 | Western Section Championships 2018 | Aichi-ken | 2018-11-01 | Judge (Senior men, Junior ladies) |
| 11 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Specialist (Senior ladies, Advanced novice boys)
Assistant (Junior ladies)
|
| 12 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Assistant (Junior men)
|
| 13 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior ladies, Junior men) |
| 14 | Shu-Shikoku-Kyushu Regional Championships 2017 | Fukuoka | 2017-10-06 | Specialist (Junior ladies)
Assistant (Senior ladies, Advanced novice boys)
|
| 15 | Japan Championships 2016 | Osaka | 2016-12-22 | Assistant (Senior men)
|
| 16 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Judge (Senior men, Junior ladies) |
| 17 | Japan Novice Championships 2016 | Osaka | 2016-10-21 | Specialist (Basic novice B boys)
Assistant (Basic novice B girls)
|
| 18 | Shu-Shikoku-Kyushu Regional Championships 2016 | Okayama | 2016-09-23 | Judge (Senior men, Junior men, Advanced novice girls, Basic novice B boys, Basic novice B girls) |
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