| Competition | City | Date | Roles |
|---|
| 1 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Controller (Senior men, Junior ladies)
|
| 2 | Tohoku-Hokkaido Regional Championships 2016 | Hachinohe | 2016-10-08 | Controller (Junior ladies, Advanced novice boys, Advanced novice girls)
|
| 3 | Western Section Championships 2015 | Aichi | 2015-10-31 | Referee (Senior ladies, Junior men)
|
| 4 | Japan Novice Championships 2015 | Tokyo | 2015-10-23 | Referee (Advanced novice girls, Advanced novice boys)
|
| 5 | Kanto Regional Championships 2015 | Chiba | 2015-10-08 | Controller (Junior ladies, Advanced novice boys, Basic novice B girls)
|
| 6 | Western Section Championships 2014 | Fukuoka | 2014-10-31 | Referee (Senior ladies, Junior men)
|
| 7 | Japan Novice Championships 2014 | Osaka | 2014-10-24 | Referee (Advanced novice boys, Advanced novice girls)
|
| 8 | Eastern Section Championships 2013 | Gunma | 2013-11-01 | Referee (Senior men, Junior ladies)
|
| 9 | Japan Novice Championships 2013 | Ibaraki | 2013-10-25 | Referee (Basic novice B girls, Basic novice B boys)
|
| 10 | Chubu Regional Championships 2013 | Aichi | 2013-09-27 | Controller (Senior ladies, Senior men, Junior men, Advanced novice girls, Advanced novice boys, Basic novice B boys)
|
| 11 | Western Section Championships 2012 | Fukuoka | 2012-11-01 | Controller (Senior ladies, Junior men)
|
| 12 | Japan Novice Championships 2012 | Kyoto | 2012-10-26 | Controller (Basic novice B boys, Basic novice B girls)
|
| 13 | Kanto Regional Championships 2012 | Yamanashi | 2012-09-27 | Controller (Junior ladies, Basic novice B girls)
|
| 14 | Japan Novice Championships 2011 | Tokyo | 2011-10-28 | Controller (Advanced novice boys, Advanced novice girls)
|
| 15 | Chubu Regional Championships 2011 | Aichi | 2011-09-30 | Controller (Senior men, Senior ladies, Junior men, Advanced novice girls)
|
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