| Competition | City | Date | Roles |
|---|
| 1 | Tokyo Regional Championships 2019 | Nishitokyo | 2019-09-20 | Judge (Senior men, Junior ladies, Intermediate novice girls) |
| 2 | Western Section Championships 2018 | Aichi-ken | 2018-11-01 | Judge (Senior men, Junior ladies) |
| 3 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Specialist (Senior ladies, Basic novice B boys)
Assistant (Senior men, Junior men, Basic novice B girls)
|
| 4 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Judge (Senior ladies, Junior men) |
| 5 | Kinki Regional Championships 2017 | Osaka | 2017-10-06 | Specialist (Senior men, Junior men, Advanced novice boys, Basic novice B boys)
Assistant (Senior ladies)
|
| 6 | 19th Merano Cup | Merano | 2016-11-10 | Specialist (Senior men, Advanced novice boys)
Assistant (Junior men, Advanced novice girls)
|
| 7 | 26th Heiko Fischer Pokal | Stuttgart | 2016-02-26 | Specialist (Junior ladies, Junior men, Advanced novice boys, Advanced novice girls)
Assistant (Junior men, Advanced novice boys)
|
| 8 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Specialist (Junior men)
|
| 9 | Japan Championships 2014 | Nagano | 2014-12-25 | Assistant (Senior men)
|
| 10 | Kinki Regional Championships 2014 | Osaka | 2014-10-10 | Judge (Senior ladies, Senior men, Junior men, Basic novice B girls) |
| 11 | Kinoshita Group Cup Japan Open 2014 | Saitama | 2014-10-04 | Specialist (Senior men)
Assistant (Senior ladies)
|
| 12 | Japan Championships 2013 | Saitama | 2013-12-20 | Specialist (Senior ladies)
|
| 13 | Western Section Championships 2013 | Kyoto | 2013-11-01 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 14 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Specialist (Junior men, Basic novice B girls)
Assistant (Senior ladies, Senior men, Advanced novice boys, Basic novice B boys)
|
| 15 | Japan Novice Championships 2012 | Kyoto | 2012-10-26 | Specialist (Advanced novice girls)
Assistant (Advanced novice boys)
|
| 16 | Chubu Regional Championships 2012 | Aichi | 2012-09-28 | Judge (Senior men, Junior ladies, Basic novice B girls) |
| 17 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Specialist (Junior ladies)
|
| 18 | Eastern Section Championships 2011 | Yamanashi | 2011-11-03 | Specialist (Senior ladies)
Assistant (Junior men)
|
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