| Competition | City | Date | Roles |
|---|
| 1 | Japan Championships 2018 | Osaka | 2018-12-20 | Judge (Senior men, Senior ice dance) |
| 2 | Western Section Championships 2018 | Aichi-ken | 2018-11-01 | Specialist (Junior ladies)
Assistant (Senior men)
|
| 3 | JGP Yerevan 2018 | Yerevan | 2018-10-10 | Judge (Junior men) |
| 4 | Japan Junior Championships 2017 | Gunma | 2017-11-24 | Judge (Junior men) |
| 5 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Specialist (Junior ladies)
Assistant (Senior men)
|
| 6 | JGP Gdansk 2017 | Gdansk | 2017-10-04 | Judge (Junior men) |
| 7 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior men) |
| 8 | Western Section Championships 2016 | Kyoto | 2016-10-28 | Specialist (Senior ladies)
Assistant (Junior men)
|
| 9 | Kinki Regional Championships 2016 | Osaka | 2016-10-08 | Controller (Senior men, Senior ladies, Junior men, Advanced novice boys, Basic novice B boys)
|
| 10 | Tokyo Regional Championships 2016 | Tokyo | 2016-09-23 | Specialist (Junior ladies)
Assistant (Senior men, Advanced novice girls, Basic novice B boys)
|
| 11 | Lombardia Trophy 2016 | Bergamo | 2016-09-08 | Judge (Senior ladies) |
| 12 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior men) |
| 13 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 14 | Eastern Section Championships 2015 | Gunma | 2015-10-29 | Judge (Senior men, Junior ladies) |
| 15 | 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)
|
| 16 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior ladies) |
| 17 | Japan Novice Championships 2014 | Osaka | 2014-10-24 | Controller (Basic novice B girls, Basic novice B boys)
|
| 18 | Japan Championships 2013 | Saitama | 2013-12-20 | Judge (Senior ladies) |
| 19 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Specialist (Junior ladies)
Assistant (Advanced novice girls, Advanced novice boys, Basic novice B boys)
|
| 20 | Japan Championships 2012 | Sapporo | 2012-12-20 | Judge (Senior men) |
| 21 | Shu-Shikoku-Kyushu Regional Championships 2012 | Shimane | 2012-10-11 | Specialist (Junior ladies)
Assistant (Basic novice B girls)
|
| 22 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Judge (Junior men) |
| 23 | Western Section Championships 2011 | Kyoto | 2011-11-03 | Specialist (Junior men)
Assistant (Senior ladies)
|
| 24 | Japan Junior Championships 2010 | Hitachinaka | 2010-11-26 | Judge (Junior men) |
| 25 | Japan Junior Championships 2009 | Yokohama | 2009-11-21 | Judge (Junior ladies) |
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