| Competition | City | Date | Roles |
|---|
| 1 | Tokyo Regional Championships 2016 | Tokyo | 2016-09-23 | Judge (Senior ladies, Junior men, Advanced novice boys, Basic novice B girls) |
| 2 | Kanto Regional Championships 2015 | Chiba | 2015-10-08 | Judge (Senior ladies, Senior men, Junior men, Advanced novice girls, Basic novice B boys) |
| 3 | Eastern Section Championships 2014 | Chiba | 2014-10-30 | Judge (Senior ladies, Junior men) |
| 4 | Eastern Section Championships 2013 | Gunma | 2013-11-01 | Judge (Senior men, Junior ladies) |
| 5 | Eastern Section Championships 2012 | Chiba | 2012-11-01 | Judge (Senior ladies, Junior men) |
| 6 | Eastern Section Championships 2011 | Yamanashi | 2011-11-03 | Judge (Senior ladies, Junior men) |
| 7 | Kanto Regional Championships 2011 | Gunma | 2011-10-14 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys) |
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