| Competition | City | Date | Roles |
|---|
| 1 | Japan Championships 2020 | Nagano | 2020-12-24 | Judge (Senior men) |
| 2 | NHK Trophy 2020 | Kadoma | 2020-11-27 | Judge (Senior men) |
| 3 | Japan Novice Championships 2020 | Gunma | 2020-10-24 | Referee (Advanced novice girls, Intermediate novice boys)
|
| 4 | Kanto Regional Championships 2020 | Hitachinaka City | 2020-10-02 | Referee (Junior ladies, Advanced novice girls)
|
| 5 | World Junior Championship 2020 | Tallinn | 2020-03-02 | Judge (Junior ladies) |
| 6 | Four Continents Championships 2020 | Seoul | 2020-02-04 | Judge (Senior pairs) |
| 7 | Japan Championships 2019 | Tokyo | 2019-12-18 | Judge (Senior men) |
| 8 | Eastern Section Championships 2019 | Nagano | 2019-10-24 | Judge (Senior men, Junior ladies) |
| 9 | Kanto Regional Championships 2019 | Yamanashi | 2019-10-03 | Referee (Senior ladies, Senior men, Junior men, Intermediate novice boys, Intermediate novice girls)
|
| 10 | 2019 U.S. Challenge Skate | Salt Lake City | 2019-09-19 | Judge (Junior men, Novice boys) |
| 11 | U.S. International Figure Skating Classic 2019 | Salt Lake City | 2019-09-19 | Judge (Senior ladies, Senior men) |
| 12 | World Junior Championship 2019 | Zagreb | 2019-03-04 | Judge (Junior pairs) |
| 13 | Skate Canada 2018 | Laval | 2018-10-26 | Judge (Senior men, Senior ladies) |
| 14 | Kinki Regional Championships 2018 | Osaka | 2018-10-05 | Referee (Junior ladies, Advanced novice boys, Advanced novice girls)
|
| 15 | World Championship 2018 | Milano | 2018-03-19 | Judge (Senior pairs) |
| 16 | Four Continents Championships 2018 | Taipei City | 2018-01-22 | Judge (Senior ladies) |
| 17 | Japan Championships 2017 | Tokyo | 2017-12-19 | Judge (Senior ladies) |
| 18 | Eastern Section Championships 2017 | Yamanashi | 2017-10-26 | Referee (Senior men, Junior ladies)
|
| 19 | Finlandia Trophy 2017 | Espoo | 2017-10-06 | Judge (Senior ladies) |
| 20 | Four Continents Championships 2017 | Gangneung | 2017-02-14 | Judge (Senior ladies) |
| 21 | Japan Championships 2016 | Osaka | 2016-12-22 | Judge (Senior ladies) |
| 22 | Cup of China 2016 | Beijing | 2016-11-18 | Judge (Senior ladies, Senior men) |
| 23 | Finlandia Trophy 2016 | Espoo | 2016-10-08 | Judge (Senior men, Senior ladies) |
| 24 | Kanto Regional Championships 2016 | Ibaraki | 2016-09-30 | Referee (Senior ladies, Senior men, Junior men, Advanced novice girls, Basic novice B boys)
|
| 25 | Japan Junior Championships 2015 | Ibaraki | 2015-11-21 | Judge (Junior men) |
| 26 | Skate Canada 2015 | Lethbrige | 2015-10-29 | Judge (Senior ladies, Senior men) |
| 27 | Kanto Regional Championships 2015 | Chiba | 2015-10-08 | Referee (Senior men, Senior ladies, Junior men, Advanced novice girls, Basic novice B boys)
|
| 28 | Cup of China 2014 | Shanghai | 2014-11-06 | Judge (Senior men, Senior ladies) |
| 29 | Kanto Regional Championships 2014 | Nagano | 2014-09-25 | Referee (Senior ladies, Senior men, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys)
|
| 30 | Japan Championships 2013 | Saitama | 2013-12-20 | Judge (Senior men) |
| 31 | Cup of China 2013 | Beijing | 2013-11-01 | Judge (Senior men, Senior ladies) |
| 32 | Tokyo Regional Championships 2013 | Tokyo | 2013-10-03 | Referee (Junior ladies, Junior men, Advanced novice boys, Basic novice B boys)
|
| 33 | Trophee Eric Bompard 2012 | Paris | 2012-11-15 | Judge (Senior men, Senior ladies) |
| 34 | Eastern Section Championships 2012 | Chiba | 2012-11-01 | Judge (Senior men, Junior ladies) |
| 35 | Kanto Regional Championships 2012 | Yamanashi | 2012-09-27 | Referee (Senior men, Senior ladies, Junior men, Advanced novice girls, Advanced novice boys, Basic novice B boys)
|
| 36 | World Junior Championship 2012 | Minsk | 2012-02-27 | Judge (Junior pairs) |
| 37 | Japan Championships 2011 | Kadoma | 2011-12-22 | Judge (Senior men) |
| 38 | Japan Junior Championships 2011 | Hachinohe | 2011-11-25 | Judge (Junior ladies) |
| 39 | Kanto Regional Championships 2011 | Gunma | 2011-10-14 | Referee (Senior men, Senior ladies, Junior men, Advanced novice boys, Advanced novice girls, Basic novice B boys)
|
| 40 | Four Continents Championships 2011 | Taipei City | 2011-02-15 | Judge (Senior ladies) |
| 41 | Japan Junior Championships 2010 | Hitachinaka | 2010-11-26 | Judge (Junior ladies) |
| 42 | World Junior Championship 2010 | Hague | 2010-03-09 | Judge (Junior pairs) |
| 43 | Japan Championships 2009 | Osaka | 2009-12-25 | Judge (Senior men) |
| 44 | Japan Championships 2008 | Nagano | 2008-12-25 | Judge (Senior ladies) |
| 45 | Cup of China 2008 | Beijing | 2008-11-05 | Judge (Senior men, Senior ladies) |
| 46 | Japan Championships 2007 | Kadoma | 2007-12-26 | Judge (Senior men) |
| 47 | Skate Canada 2006 | Victoria BC | 2006-11-02 | Judge (Senior ladies, Senior men) |
| 48 | JGP Final 2005 | Ostrava | 2005-11-24 | Judge (Junior men, Junior ladies) |
| 49 | JGP Okaya 2005 | Okaya | 2005-10-20 | Judge (Junior ladies, Junior pairs) |
| 50 | Cup of China 2004 | Beijing | 2004-11-11 | Judge (Senior men, Senior ladies) |
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