| Competition | City | Date | Roles |
|---|
| 1 | Tokyo Regional Championships 2014 | Tokyo | 2014-10-10 | Judge (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B boys) |
| 2 | Tokyo Regional Championships 2013 | Tokyo | 2013-10-03 | Judge (Junior men, Junior ladies, Advanced novice boys, Basic novice B boys) |
| 3 | Eastern Section Championships 2012 | Chiba | 2012-11-01 | Judge (Senior men, Junior ladies) |
| 4 | Tokyo Regional Championships 2012 | Tokyo | 2012-10-05 | Judge (Senior ladies, Advanced novice boys, Advanced novice girls, Basic novice B girls, Basic novice B boys) |
| 5 | Kanto Regional Championships 2011 | Gunma | 2011-10-14 | Judge (Junior ladies, Basic novice B girls) |
| 6 | Chubu Regional Championships 2011 | Aichi | 2011-09-30 | Judge (Senior men, Senior ladies, Junior men, Advanced novice girls) |
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