| Competition | City | Date | Roles |
|---|
| 1 | Challenge Cup 2020 | Den Haag | 2020-02-20 | Judge (Senior men, Senior ladies, Advanced novice boys, Advanced novice girls) |
| 2 | Japan Championships 2019 | Tokyo | 2019-12-18 | Judge (Senior men, Senior pairs) |
| 3 | Eastern Section Championships 2019 | Nagano | 2019-10-24 | Judge (Senior ladies, Junior men, Junior pairs) |
| 4 | Chubu Regional Championships 2019 | Nagoya | 2019-09-27 | Specialist (Senior men, Junior men, Advanced novice girls, Intermediate novice boys)
Assistant (Senior ladies)
|
| 5 | JGP Gdansk 2019 | Gdansk | 2019-09-18 | Judge (Junior men) |
| 6 | Coupe du Printemps 2019 | Luxembourg | 2019-03-15 | Judge (Senior ladies, Junior men, Advanced novice girls, Advanced novice boys) |
| 7 | Japan Championships 2018 | Osaka | 2018-12-20 | Judge (Senior men) |
| 8 | Internationaux de France de Patinage 2018 | Grenoble | 2018-11-23 | Judge (Senior ladies, Senior men) |
| 9 | Japan Novice Championships 2018 | Osaka | 2018-10-19 | Judge (Basic novice B girls, Basic novice B boys) |
| 10 | Tohoku-Hokkaido Regional Championships 2018 | Sapporo | 2018-09-21 | Specialist (Junior ladies)
Assistant (Advanced novice girls, Advanced novice boys)
|
| 11 | Japan Championships 2017 | Tokyo | 2017-12-19 | Judge (Senior men) |
| 12 | Western Section Championships 2017 | Fukuoka | 2017-11-02 | Specialist (Junior ladies)
Assistant (Senior men)
|
| 13 | Cup of Russia 2017 | Moscow | 2017-10-20 | Judge (Senior men, Senior pairs) |
| 14 | JGP Riga 2017 | Riga | 2017-09-06 | Judge (Junior men, Junior pairs) |
| 15 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior ladies) |
| 16 | 47th Pokal der Blauen Schwerter | Dresden | 2016-10-05 | Judge (Junior pairs) |
| 17 | Chubu Regional Championships 2016 | Aichi | 2016-09-30 | Specialist (Senior men, Junior men, Advanced novice boys, Basic novice B boys, Basic novice B girls)
Assistant (Senior ladies)
|
| 18 | JGP Ljubljana Cup 2016 | Ljubljana | 2016-09-21 | Judge (Junior men) |
| 19 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior ladies) |
| 20 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior men) |
| 21 | 17th Merano Cup | Merano | 2014-11-14 | Judge (Senior men, Junior men) |
| 22 | Tokyo Regional Championships 2014 | Tokyo | 2014-10-10 | Specialist (Advanced novice girls, Basic novice B girls)
Assistant (Junior ladies)
|
| 23 | Shu-Shikoku-Kyushu Regional Championships 2014 | Okayama | 2014-09-25 | Referee (Senior ladies, Senior men, Advanced novice boys, Basic novice B boys, Basic novice B girls)
|
| 24 | Coupe du Printemps 2014 | Luxembourg | 2014-03-14 | Judge (Senior ladies, Junior men, Advanced novice boys, Advanced novice girls) |
| 25 | Japan Championships 2013 | Saitama | 2013-12-20 | Judge (Senior men) |
| 26 | Japan Junior Championships 2013 | Nagoya | 2013-11-22 | Judge (Junior men) |
| 27 | Western Section Championships 2013 | Kyoto | 2013-11-01 | Judge (Senior ladies, Junior men) |
| 28 | Shu-Shikoku-Kyushu Regional Championships 2013 | Fukuoka | 2013-10-03 | Specialist (Senior ladies, Senior men, Advanced novice boys, Basic novice B boys)
Assistant (Junior men, Basic novice B girls)
|
| 29 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Specialist (Senior men, Junior men, Basic novice B girls)
Assistant (Senior ladies)
|
| 30 | 23rd Gardena Spring Trophy | Selva Val Gardena | 2013-04-02 | Judge (Senior men, Senior ladies, Junior ladies, Junior men, Advanced novice boys, Advanced novice girls) |
| 31 | Japan Championships 2012 | Sapporo | 2012-12-20 | Judge (Senior ladies) |
| 32 | Western Section Championships 2012 | Fukuoka | 2012-11-01 | Specialist (Senior men)
Assistant (Junior ladies)
|
| 33 | Shu-Shikoku-Kyushu Regional Championships 2012 | Shimane | 2012-10-11 | Specialist (Junior men, Advanced novice girls)
Assistant (Senior men, Senior ladies, Advanced novice boys, Basic novice B boys)
|
| 34 | Golden Spin 2011 | Zagreb | 2011-12-08 | Judge (Senior men, Senior ladies) |
| 35 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Judge (Junior ladies) |
| 36 | Shu-Shikoku-Kyushu Regional Championships 2011 | Okayama | 2011-09-30 | Specialist (Junior ladies)
Assistant (Advanced novice boys, Basic novice B boys)
|
| 37 | 20th Triglav Trophy | Jesenice | 2011-04-07 | Judge (Senior men, Senior ladies, Novice boys, Novice girls) |
| 38 | Japan Championships 2010 | Nagano | 2010-12-24 | Judge (Senior ladies) |
| 39 | Golden Spin 2010 | Zagreb | 2010-12-09 | Judge (Senior men) |
| 40 | Japan Open 2010 | Saitama | 2010-10-02 | Judge (Senior ladies, Senior men) |
| 41 | Japan Championships 2009 | Osaka | 2009-12-25 | Judge (Senior men) |
| 42 | Japan Junior Championships 2008 | Nagoya | 2008-11-23 | Judge (Junior men) |
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