Keiichiro Yamamiya

“Kei”

MMA · Active

45-35-10RECORD

11KO / TKO WINS

3SUBMISSION WINS

31DECISION WINS

Profile

Full name	Not added yet
Nickname	Kei
Date of birth	12 Jul 1972
Nationality	Japanese
Birthplace	Kanagawa, Japan
Lives in	Chigasaki, Japan
Division	Middleweight
Team	Grabaka
Height	180 cm (5′11″)
Reach	Not added yet
Stance	Not added yet
Years active	since 1996
Status	Active
Pro debut	22 Jul 1996
Last fight	Loss vs Ikkei Nagamura, 1 Feb 2015

Details on this page were compiled from public information on 11 Oct 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile

Titles and honours

Former Pancrase Light Heavyweight Champion (inaugural, 2000)
1997 Pancrase Neo-Blood Tournament winner

Background

Japanese fighter from Kanagawa who spent most of his career with Pancrase, winning the 1997 Neo-Blood Tournament and the inaugural Pancrase Light Heavyweight Championship in 2000. He trained with Grabaka.

Fight history

90 professional fights. Newest first.

Result	Opponent	Method	Round	Time	Event	Date	Location	Notes
Loss	Ikkei Nagamura	Decision (unanimous)	3	5:00	Pancrase 264	1 Feb 2015	Tokyo, Japan	Middleweight bout
Loss	Kenta Takagi	KO (punch)	2	0:37	Pancrase 261	5 Oct 2014	Tokyo, Japan
Loss	Keita Nakamura	TKO (punches)	1	4:13	DEEP: 67 Impact	22 Jun 2014	Tokyo, Japan
Loss	Yuki Okano	Submission (rear-naked choke)	1	4:53	DEEP: 65 Impact	22 Mar 2014	Tokyo, Japan
Loss	Eiji Ishikawa	Decision (unanimous)	2	5:00	Grabaka Live! 3	27 Oct 2013	Tokyo, Japan	Openweight bout
Loss	Yuji Hisamatsu	Decision (majority)	2	5:00	Pancrase 250: 2013 Neo-Blood Tournament Finals	28 Jul 2013	Tokyo, Japan
Win	Daijiro Matsui	Decision (points)	1	15:00	U-Spirits Again	9 Mar 2013	Tokyo, Japan
Loss	Will Noland	Decision (unanimous)	3	5:00	Pancrase 245	3 Feb 2013	Tokyo, Japan
Win	Ikkei Nagamura	KO (flying knee)	1	1:26	Pancrase: Progress Tour 14	1 Dec 2012	Tokyo, Japan
Win	Kenichi Yamamoto	Decision (unanimous)	2	5:00	Grabaka Live! 2	27 Oct 2012	Tokyo, Japan
Loss	Takenori Sato	Decision (unanimous)	3	5:00	Pancrase: Progress Tour 10	1 Sep 2012	Tokyo, Japan	For the Pancrase Welterweight Championship
Win	Yukinari Tamura	Decision (majority)	2	5:00	Pancrase: Progress Tour 1	28 Jan 2012	Tokyo, Japan
Win	Shingo Suzuki	KO (punches)	1	4:24	Pancrase: Impressive Tour 13	3 Dec 2011	Tokyo, Japan
Win	Yoshihisa Yamamoto	Decision (unanimous)	2	5:00	Grabaka Live: 1st Cage Attack	15 Oct 2011	Tokyo, Japan
Win	Ichiro Kanai	Decision (majority)	2	5:00	Pancrase: Impressive Tour 8	7 Aug 2011	Tokyo, Japan
Draw	Kosei Kubota	Draw	2	5:00	Pancrase: Impressive Tour 1	6 Feb 2011	Tokyo, Japan
Loss	Masahiro Toryu	KO (head kick)	1	4:51	Pancrase: Passion Tour 11	5 Dec 2010	Tokyo, Japan
Win	Hoon Kim	Decision (majority)	2	5:00	Pancrase: Passion Tour 7	8 Aug 2010	Tokyo, Japan
Loss	Kengo Ura	Decision (split)	3	5:00	Pancrase: Passion Tour 5	5 Jun 2010	Tokyo, Japan	For the vacant Pancrase Welterweight Championship
Win	Takenori Sato	Decision (majority)	2	5:00	Pancrase: Passion Tour 3	4 Apr 2010	Tokyo, Japan
Loss	Yuji Hisamatsu	Decision (majority)	3	5:00	Pancrase: Passion Tour 1	7 Feb 2010	Tokyo, Japan
Win	Ryuji Ohori	KO (punch)	1	1:01	Pancrase: Changing Tour 3	7 Jun 2009	Tokyo, Japan
Loss	Alexandre Ribeiro	KO (punch)	3	0:51	World Victory Road Presents: Sengoku 8	2 May 2009	Tokyo, Japan
Loss	Ryo Kawamura	Decision (unanimous)	3	5:00	Pancrase: Shining 8	1 Oct 2008	Tokyo, Japan	For the Pancrase Light Heavyweight Championship
Win	Hiromitsu Kanehara	Decision (unanimous)	3	5:00	Pancrase: Shining 5	1 Jun 2008	Tokyo, Japan
Win	Yuki Kondo	Decision (majority)	3	5:00	Pancrase: Shining 3	27 Apr 2008	Tokyo, Japan
Win	Ryo Kawamura	Decision (unanimous)	3	5:00	Pancrase: Rising 10	22 Dec 2007	Tokyo, Japan
Draw	Carlos Toyota	Draw	2	5:00	MARS 6: Rapid Fire	22 Dec 2006	Yokohama, Japan
Loss	Mikko Rupponen	Decision (unanimous)	3	5:00	FF 17: Fight Festival 17	25 Mar 2006	Helsinki, Finland
Loss	Dae Won Kim	Decision (unanimous)	2	5:00	DEEP: 20th Impact	3 Sep 2005	Tokyo, Japan
Loss	Nilson de Castro	Decision (unanimous)	3	5:00	Pancrase: Spiral 2	6 Mar 2005	Yokohama, Japan
Loss	Gustavo Machado	Submission (heel hook)	3	1:20	Pancrase: Brave 11	26 Nov 2004	Tokyo, Japan
Win	Chael Sonnen	Decision (majority)	3	5:00	Pancrase: 2004 Neo-Blood Tournament Final	25 Jul 2004	Tokyo, Japan
Win	Kozo Urita	Decision (unanimous)	2	5:00	Pancrase: Brave 5	28 May 2004	Tokyo, Japan
Draw	Bret Bergmark	Draw	3	5:00	Pancrase: Hybrid 11	21 Dec 2003	Tokyo, Japan
Draw	Keith Jardine	Draw	2	5:00	Pancrase: Hybrid 8	4 Oct 2003	Osaka, Japan
Win	Nate Marquardt	Decision (unanimous)	3	5:00	Pancrase: 2003 Neo-Blood Tournament Second Round	27 Jul 2003	Tokyo, Japan
Loss	Nilson de Castro	TKO (punches)	1	4:00	Pancrase: Hybrid 6	7 Jun 2003	Tokyo, Japan
Draw	Tsuyoshi Kurihara	Draw	2	5:00	Pancrase: Hybrid 4	12 Apr 2003	Tokyo, Japan
Loss	Akihiro Gono	TKO (punches)	3	3:49	Pancrase: Spirit 9	21 Dec 2002	Tokyo, Japan
Win	Eiji Ishikawa	Decision (majority)	3	5:00	Pancrase: 2002 Anniversary Show	29 Sep 2002	Yokohama, Japan
Win	Mitsuyoshi Sato	TKO (punches)	3	2:52	Pancrase: 2002 Neo-Blood Tournament Second Round	28 Jul 2002	Tokyo, Japan
Win	Ichiro Kanai	TKO (punches)	1	3:51	Pancrase: Spirit 4	11 May 2002	Osaka, Japan
Win	Sumio Koyano	KO (punches)	1	0:31	Pancrase: Spirit 3	25 Mar 2002	Tokyo, Japan
Loss	Yuki Sasaki	Submission (armbar)	1	4:29	Pancrase: Spirit 1	27 Jan 2002	Tokyo, Japan
Loss	Akihiro Gono	Decision (unanimous)	3	5:00	Pancrase: Proof 6	30 Oct 2001	Tokyo, Japan
Win	Hikaru Sato	Decision (unanimous)	2	5:00	Zero1: Shingeki Chapter 2	30 Aug 2001	Tokyo, Japan
Win	Yoshinori Kawasaki	TKO (punches)	1	4:04	Pancrase: 2001 Neo-Blood Tournament Second Round	29 Jul 2001	Tokyo, Japan
Loss	Paulo Filho	KO (punches)	2	0:29	DEEP: 1st Impact	8 Jan 2001	Nagoya, Japan
Win	Denis Kang	Decision (majority)	2	3:00	Pancrase: Trans 7	4 Dec 2000	Tokyo, Japan
Win	Ikuhisa Minowa	Decision (unanimous)	2	3:00	Pancrase: 2000 Anniversary Show	24 Sep 2000	Yokohama, Japan	Won the inaugural Pancrase Light Heavyweight Championship (tournament final)
Win	Omar Bouiche	Submission (guillotine choke)	1	6:46	Pancrase: 2000 Anniversary Show	24 Sep 2000		Pancrase Light Heavyweight tournament semi-final
Win	Naohisa Kawamura	Decision (unanimous)	1	10:00	Pancrase: Trans 4	26 Jun 2000	Tokyo, Japan	Pancrase Light Heavyweight tournament quarter-final
Win	Kosei Kubota	Decision (majority)	1	10:00	Pancrase: Trans 4	26 Jun 2000	Tokyo, Japan	Pancrase Light Heavyweight tournament opening round
Win	Chris Lytle	Decision (unanimous)	1	10:00	Pancrase: Trans 1	23 Jan 2000	Tokyo, Japan
Loss	Eugene Jackson	KO (punch)	3	3:12	UFC 23: Ultimate Japan 2	19 Nov 1999	Chiba, Japan
Win	Leon Dijk	TKO	1	2:05	Pancrase: Breakthrough 7	6 Jul 1999	Tokyo, Japan
Loss	Kiuma Kunioku	Decision (lost points)	1	15:00	Pancrase: Breakthrough 5	23 May 1999	Nagoya, Japan
Win	Yuhi Sano	TKO (strikes)	1	10:43	Pancrase: Breakthrough 3	9 Mar 1999	Tokyo, Japan
Draw	Jeremy Horn	Draw	1	15:00	Pancrase: Advance 12	19 Dec 1998	Tokyo, Japan
Win	Jason DeLucia	Decision (lost points)	1	15:00	Pancrase: Advance 10	26 Oct 1998	Tokyo, Japan
Win	Satoshi Hasegawa	Decision (majority)	1	15:00	Pancrase: 1998 Neo-Blood Tournament Second Round	26 Jul 1998	Aomori, Japan
Loss	Osami Shibuya	Decision (unanimous)	1	20:00	Pancrase: 1998 Neo-Blood Tournament Opening Round	7 Jul 1998	Tokyo, Japan
Draw	Ryushi Yanagisawa	Draw	2	3:00	Pancrase: Advance 8	21 Jun 1998	Kobe, Japan
Win	Takafumi Ito	TKO	2	1:35	Pancrase: Advance 6	12 May 1998	Tokyo, Japan
Loss	Yuki Kondo	Decision (majority)	1	20:00	Pancrase: Advance 5	26 Apr 1998	Yokohama, Japan
Win	Minoru Suzuki	Decision (majority)	1	20:00	Pancrase: Advance 3	1 Mar 1998	Kobe, Japan
Draw	Ryushi Yanagisawa	Draw	1	10:00	Pancrase: Advance 2	6 Feb 1998	Yokohama, Japan
Loss	Osami Shibuya	Submission (toe hold)	1	17:31	Pancrase: Advance 1	16 Jan 1998	Tokyo, Japan
Loss	Bas Rutten	Submission (rear-naked choke)	1	4:58	Pancrase: Alive 11	20 Dec 1997	Yokohama, Japan
Win	Takafumi Ito	Decision (unanimous)	2	3:00	Pancrase: Alive 10	16 Nov 1997	Kobe, Japan
Draw	Tra Telligman	Draw	2	3:00	Pancrase: Alive 9	29 Oct 1997	Tokyo, Japan
Win	Minoru Suzuki	Decision (lost points)	1	20:00	Pancrase: 1997 Anniversary Show	6 Sep 1997	Tokyo, Japan
Win	Osami Shibuya	Decision (1-0)	2	3:00	Pancrase: Alive 8	9 Aug 1997	Osaka, Japan
Win	Satoshi Hasegawa	TKO (knees)	1	5:50	Pancrase: 1997 Neo-Blood Tournament, Round 2	21 Jul 1997	Tokyo, Japan	Won the 1997 Neo-Blood Tournament
Win	Kosei Kubota	Decision (lost points)	1	10:00	Pancrase: 1997 Neo-Blood Tournament, Round 2	21 Jul 1997		Neo-Blood Tournament semi-final
Win	Les Johnston	Submission (guillotine choke)	1	4:07	Pancrase: 1997 Neo-Blood Tournament, Round 1	20 Jul 1997	Tokyo, Japan
Loss	Guy Mezger	Decision (lost points)	1	15:00	Pancrase: Alive 7	30 Jun 1997	Fukuoka, Japan
Draw	Kiuma Kunioku	Draw	1	10:00	Pancrase: Alive 5	24 May 1997	Kobe, Japan
Win	Taka Michinoku	Submission (keylock)	1	7:36	Pancrase: Alive 4	27 Apr 1997	Tokyo, Japan
Loss	Ryushi Yanagisawa	Decision (lost points)	1	10:00	Pancrase: Alive 3	22 Mar 1997	Nagoya, Japan
Win	Takafumi Ito	Decision (lost points)	1	15:00	Pancrase: Alive 2	22 Feb 1997	Tokyo, Japan
Win	Brian Gassaway	Decision (lost points)	1	10:00	Pancrase: Alive 1	17 Jan 1997	Tokyo, Japan
Win	Wes Gassaway	Decision (unanimous)	1	10:00	Pancrase: Truth 10	15 Dec 1996	Tokyo, Japan
Loss	Yoshiki Takahashi	Submission	1	7:12	Pancrase: Truth 9	9 Nov 1996	Kobe, Japan
Loss	Kiuma Kunioku	Submission	1	1:38	Pancrase: Truth 8	22 Oct 1996	Tokyo, Japan
Loss	Katsuomi Inagaki	Decision (majority)	1	10:00	Pancrase: 1996 Anniversary Show	7 Sep 1996	Tokyo, Japan
Loss	Osami Shibuya	Submission (ankle lock)	1	6:48	Pancrase: 1996 Neo-Blood Tournament, Round 2	23 Jul 1996
Loss	Yuki Kondo	TKO	1	6:16	Pancrase: 1996 Neo-Blood Tournament, Round 2	23 Jul 1996	Tokyo, Japan	Neo-Blood Tournament semi-final
Win	Satoshi Hasegawa	Decision (split)	1	10:00	Pancrase: 1996 Neo-Blood Tournament, Round 1	22 Jul 1996	Tokyo, Japan	Pro debut