| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2023 | Otsu | 2023-11-11 | Specialist (Junior men)
|
| 2 | Eastern Section Championships 2023 | Hachinohe | 2023-11-02 | Controller (Senior ladies, Junior men)
|
| 3 | Kanto Regional Championships 2023 | Yokohama | 2023-10-06 | Referee (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Intermediate novice girls, Intermediate novice boys)
|
| 4 | Eastern Section Championships 2022 | Maebashi City | 2022-11-03 | Controller (Senior men, Junior ladies)
|
| 5 | Chubu Regional Championships 2022 | Nagoya | 2022-09-23 | Judge (Senior men, Senior ladies, Junior men, Intermediate novice girls) |
| 6 | Japan Championships 2021 | Saitama | 2021-12-22 | Judge (Senior ladies) |
| 7 | Eastern Section Championships 2021 | Tokyo | 2021-10-28 | Controller (Senior men, Junior ladies)
|
| 8 | Tokyo Regional Championships 2021 | Nishitokyo | 2021-10-07 | Specialist (Senior ladies, Advanced novice girls)
Assistant (Junior men, Intermediate novice boys)
|
| 9 | Japan Championships 2020 | Nagano | 2020-12-24 | Judge (Senior men) |
| 10 | Western Section Championships 2020 | Kyoto | 2020-10-30 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 11 | Chubu Regional Championships 2020 | Nagoya | 2020-09-25 | Controller (Senior men, Senior ladies, Junior men, Advanced novice girls)
|
| 12 | Japan Junior Championships 2019 | Kanagawa | 2019-11-15 | Judge (Junior men) |
| 13 | Eastern Section Championships 2019 | Nagano | 2019-10-24 | Controller (Senior ladies, Junior men)
|
| 14 | Japan Championships 2018 | Osaka | 2018-12-20 | Specialist (Senior men)
|
| 15 | Japan Novice Championships 2018 | Osaka | 2018-10-19 | Controller (Basic novice B boys, Basic novice B girls)
|
| 16 | Chubu Regional Championships 2018 | Nagoya | 2018-09-28 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B girls) |
| 17 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 18 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Controller (Junior ladies, Advanced novice girls, Basic novice B girls)
|
| 19 | Japan Championships 2016 | Osaka | 2016-12-22 | Specialist (Senior men)
|
| 20 | Eastern Section Championships 2016 | Nishitokyo | 2016-11-04 | Judge (Senior men, Junior ladies) |
| 21 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Controller (Junior ladies, Advanced novice girls, Basic novice B girls)
|
| 22 | Chubu Regional Championships 2016 | Aichi | 2016-09-30 | Specialist (Senior ladies)
Assistant (Senior men, Junior men, Advanced novice boys, Basic novice B girls, Basic novice B boys)
|
| 23 | Western Section Championships 2015 | Aichi | 2015-10-31 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 24 | Kinki Regional Championships 2015 | Otsu | 2015-10-09 | Specialist (Senior ladies)
Assistant (Senior men, Junior men, Advanced novice boys)
|
| 25 | Japan Junior Championships 2014 | Niigata | 2014-11-22 | Specialist (Junior ladies)
|
| 26 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Judge (Senior ladies, Junior men) |
| 27 | Chubu Regional Championships 2014 | Aichi | 2014-10-03 | Specialist (Senior ladies)
Assistant (Senior men, Junior men, Advanced novice girls)
|
| 28 | Western Section Championships 2013 | Kyoto | 2013-11-01 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 29 | Kanto Regional Championships 2013 | Saitama | 2013-10-11 | Judge (Junior ladies, Basic novice B girls) |
| 30 | Chubu Regional Championships 2012 | Aichi | 2012-09-28 | Specialist (Senior men, Basic novice B girls)
Assistant (Junior ladies)
|
| 31 | Kinki Regional Championships 2011 | Osaka | 2011-10-08 | Specialist (Advanced novice boys, Basic novice B girls, Basic novice B boys)
Assistant (Junior ladies)
|
| 32 | Japan Championships 2009 | Osaka | 2009-12-25 | Assistant (Senior men)
|
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