| Competition | City | Date | Roles |
|---|
| 1 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Judge (Junior men) |
| 2 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Specialist (Junior ladies)
Assistant (Senior men)
|
| 3 | JGP Gdansk 2017 | Gdansk | 2017-10-04 | Judge (Junior men) |
| 4 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior men) |
| 5 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Specialist (Senior ladies)
Assistant (Junior men)
|
| 6 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Controller (Senior ladies, Senior men, Junior men, Advanced novice boys, Basic novice B boys)
|
| 7 | Tokyo Regional Championships 2016 | Tokyo | 2016-09-23 | Specialist (Junior ladies)
Assistant (Senior men, Advanced novice girls, Basic novice B boys)
|
| 8 | Lombardia Trophy 2016 | Bergamo | 2016-09-08 | Judge (Senior ladies) |
| 9 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior men) |
| 10 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 11 | Eastern Section Championships 2015 | Gunma | 2015-10-29 | Judge (Senior men, Junior ladies) |
| 12 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Specialist (Senior ladies, Advanced novice boys, Basic novice B boys)
Assistant (Senior men, Basic novice B girls)
|
| 13 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior ladies) |
| 14 | Japan Novice Championships 2014 | Osaka | 2014-10-24 | Controller (Basic novice B boys, Basic novice B girls)
|
| 15 | Japan Championships 2013 | Saitama | 2013-12-20 | Judge (Senior ladies) |
| 16 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Specialist (Junior ladies)
Assistant (Advanced novice boys, Advanced novice girls, Basic novice B boys)
|
| 17 | Japan Championships 2012 | Sapporo | 2012-12-20 | Judge (Senior men) |
| 18 | Shu-Shikoku-Kyushu Regional Championships 2012 | Shimane | 2012-10-11 | Specialist (Junior ladies)
Assistant (Basic novice B girls)
|
| 19 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Judge (Junior men) |
| 20 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 21 | Japan Junior Championships 2010 | Hitachinaka | 2010-11-26 | Judge (Junior men) |
| 22 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Judge (Junior ladies) |
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