Naoyuki Kotani

17–11–1 · Lightweight · Age 44 · 3 UFC fights

Skill (today) -0.58

Uncertainty (σ) 1.21

As of 2026-09-13

Skill trajectory

Line: estimated skill after each fight. Band: ±1σ uncertainty.

Fight ledger

Date	Opponent	Result	Method	Event	Model P(win), pre-fight
2024-12-22	Shunsuke Kusawake	Loss	TKO	GRACHAN Presents: HELIOS
2023-10-15	Yota Hayashi	Loss	TKO	Grachan 65: 15 Years Anniversary
2023-02-11	Shin Haraguchi	Loss	TKO	Grachan 59×Brave Fight 27
2021-07-13	Masato Uchishiba	Draw	DEC	Quintet Fight Night 7 in Tokyo
2021-07-13	Kazuyuki Miyata	Draw	DEC	Quintet Fight Night 7 in Tokyo
2020-10-27	Kohei Yasumi	Draw	DEC	Quintet Fight Night 5
2020-10-27	Daisuke Shiraki	Draw	DEC	Quintet Fight Night 5
2020-10-27	Tomoshige Sera	Win	SUB	Quintet Fight Night 5
2020-09-20	Yutaka Ueda	Win	DEC	GRACHAN 45
2019-10-20	Sotaro Yamada	Loss	SUB	GRACHAN 41
2019-05-06	Koshi Matsumoto	Loss	TKO	Shooto 30th Anniversary Tour at Korakuen Hall
2018-11-17	Shutaro Debana	Win	SUB	Shooto 11/17
2018-07-16	Akihito Mamiya	Win	TKO	GRACHAN 35.5
2018-06-09	Tomoshige Sera	Draw	DEC	Quintet Fight Night in Tokyo
2017-12-17	Marif Piraev	Loss	DEC	WFCA 44: Dudaev vs Naumov
2017-10-15	Yuki Kawana	Loss	DEC	Professional Shooto 10/15
2017-04-23	Yoichi Fukumoto	Win	SUB	Shooto
2016-06-12	Dmitriy Parubchenko	Loss	TKO	Real 5
2015-09-26	Kajan Johnson	Loss	U-DEC	UFC Fight Night 75	57%
2014-10-25	Yan Cabral	Loss	SUB	UFC 179: Aldo vs. Mendes 2	56%
2014-07-19	Norman Parke	Loss	KO/TKO	UFC Fight Night 46
2014-02-23	Yoshihiro Koyama	Win	DEC	VTJ 4th
2013-10-05	Daisuke Hoshino	Win	SUB	VTJ 3rd
2013-06-09	Vitali Krat	Win	SUB	The Outsider 26
2013-04-07	Jung Min Kang	Win	SUB	ZST 35
2012-11-23	Shinichi Taira	Win	DEC	ZST 33: 10th Anniversary
2012-11-23	Koji Mori	Win	SUB	ZST 33: 10th Anniversary
2012-09-17	Darius Minkevičius	Win	SUB	ZST 32
2012-03-09	Ryuki Ueyama	Win	TKO	Rings Japan
2012-01-22	Daisuke Hanazawa	Win	TKO	Rings Japan
2011-09-04	Katsuya Inoue	Win	SUB	Unknown
2011-07-17	Ryo Asami	Win	TKO	The Outsider 17
2011-02-05	Keigo Hirayama	Win	SUB	Unknown
2010-09-26	Eriya Matsuda	Win	SUB	Unknown
2010-04-25	Jorge Masvidal	Loss	DEC	Astra: Yoshida's Farewell
2010-02-20	Kenichi Ito	Draw		Unknown