| Competition | City | Date | Roles |
|---|
| 1 | Cup of China 2019 | Chongqing | 2019-11-07 | Judge (Senior men, Senior pairs) |
| 2 | Western Section Championships 2019 | Otsu | 2019-11-01 | Judge (Senior ladies, Junior men) |
| 3 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Referee (Senior ladies, Junior ladies, Advanced novice boys)
|
| 4 | Finlandia Trophy 2018 | Espoo | 2018-10-05 | Judge (Senior ladies) |
| 5 | Chu-Shikoku-Kyushu Regional Championships 2018 | Miki Town | 2018-09-21 | Referee (Senior men, Junior men, Advanced novice girls, Basic novice B girls, Basic novice B boys)
|
| 6 | Coupe du Printemps 2018 | Luxembourg | 2018-03-16 | Judge (Senior ladies, Junior men, Basic novice A girls 2, Basic novice A girls 1) |
| 7 | Japan Championships 2017 | Tokyo | 2017-12-19 | Judge (Senior men) |
| 8 | NHK Trophy 2017 | Osaka | 2017-11-10 | Judge (Senior men) |
| 9 | Japan Novice Championships 2017 | Otsu | 2017-10-20 | Referee (Basic novice B boys, Basic novice B girls)
|
| 10 | Tokyo Regional Championships 2017 | Tokyo | 2017-09-21 | Referee (Senior men, Junior ladies, Advanced novice girls, Basic novice B boys)
|
| 11 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior ladies) |
| 12 | Shu-Shikoku-Kyushu Regional Championships 2016 | Okayama | 2016-09-23 | Referee (Senior ladies, Junior ladies, Advanced novice boys)
|
| 13 | Japan Championships 2015 | Hokkaido | 2015-12-24 | Judge (Senior ladies) |
| 14 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 15 | Shu-Shikoku-Kyushu Regional Championships 2015 | Okayama | 2015-10-01 | Referee (Senior men, Senior ladies, Advanced novice boys, Basic novice B girls, Basic novice B boys)
|
| 16 | Nebelhorn Trophy 2015 | Oberstdorf | 2015-09-23 | Judge (Senior ladies, Senior pairs) |
| 17 | Japan Championships 2014 | Nagano | 2014-12-25 | Judge (Senior ladies) |
| 18 | Tohoku-Hokkaido Regional Championships 2014 | Hokkaido | 2014-10-02 | Controller (Senior men, Senior ladies, Junior men, Advanced novice girls)
|
| 19 | Kanto Regional Championships 2013 | Saitama | 2013-10-11 | Judge (Junior ladies, Basic novice B girls) |
| 20 | Kinki Regional Championships 2013 | Osaka | 2013-09-26 | Referee (Junior ladies, Advanced novice girls, Advanced novice boys, Basic novice B boys)
|
| 21 | Asian Open Figure Skating Trophy 2013 | Bankok | 2013-08-08 | Judge (Senior men, Senior ladies, Junior ladies, Junior men, Advanced novice girls, Advanced novice boys, Basic novice B girls, Basic novice B boys, Basic novice A girls) |
| 22 | Japan Junior Championships 2012 | Nishitōkyō, Tokyo | 2012-11-17 | Judge (Junior ladies) |
| 23 | Chubu Regional Championships 2012 | Aichi | 2012-09-28 | Controller (Senior men, Junior ladies, Basic novice B girls)
|
| 24 | Japan Championships 2011 | Kadoma | 2011-12-22 | Judge (Senior men) |
| 25 | Eastern Section Championships 2011 | Yamanashi | 2011-11-03 | Referee (Senior ladies, Junior men)
|
| 26 | Chubu Regional Championships 2011 | Aichi | 2011-09-30 | Specialist (Advanced novice boys, Basic novice B girls, Basic novice B boys)
Assistant (Junior ladies)
|
| 27 | Japan Championships 2010 | Nagano | 2010-12-24 | Judge (Senior ladies) |
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