List of Deep champions

This is a list of DEEP champions at each weight class. DEEP is a Japan-based mixed martial arts (MMA) promoting and sanctioning organization.

Current Champions
DivisionChampionSinceDefenses
Megatonweight Roque Martinez July 15, 2017 2
Cruiserweight Yoshiyuki Nakanishi April 17, 2010 3
Middleweight Tatsuya Mizuno February 24, 2018 0
Welterweight Ryuichiro Sumimura July 15, 2017 2
Lightweight Koji Takeda October 27, 2018 2
Featherweight Satoshi Yamasu October 27, 2018 1
Bantamweight Victor Henry March 9, 2019 0
Flyweight Tatsumitsu Wada June 26, 2016 1
Strawweight Haruo Ochi September 16, 2017 2

Men's Championship History

Megatonweight
Weight limit: Unlimited
No. Name Event Date Defenses
1 Yūsuke Kawaguchi
def. Shunsuke Inoue		 Club DEEP Tokyo "Megaton GP 2008 Final"
Tokyo, Japan		 August 2, 2008

1. def. Baru Harn at DEEP 38 Impact on Oct 23, 2008 in Tokyo, Japan
2. def. Seigo Mizuguchi at Deep: 44 Impact on Oct 10, 2009 in Tokyo, Japan
3. def. Roque Martinez at Deep: Cage Impact 2009 on Dec 19, 2009 in Tokyo, Japan

Yusuke Kawaguchi vacated the title in January 2011.
2 Kazuhisa Tazawa
def. Yuji Sakuragi		 DEEP 52 Impact
Tokyo, Japan		 February 25.2011
3 Levan Razmadze DEEP 55 Impact
Tokyo, Japan		 August 26, 2011

1. def. Ryuta Noji at DEEP 57 Impact on Feb 18, 2012 in Tokyo, Japan

Levan Razmadze vacated the title in February 2012.
4 Ken Hasegawa
def. Seigo Mizuguchi		 DEEP 61 Impact
Tokyo, Japan		 February 16, 2013

1. def. Hirohide Fujinuma at DEEP 63 Impact on Aug. 25, 2013 in Tokyo, Japan
2. def. Kazuhiro Nakamura at DEEP 65 Impact on Mar. 22, 2014 in Tokyo, Japan

Hasegawa vacated the title when he started competing at a lower weight class.
5 Singh Jaideep
def. Carlos Toyota		 DEEP 73 Impact
Tokyo, Japan		 October 17, 2015
6 Roque Martinez DEEP Cage Impact 2017: At Korakuen Hall
Tokyo, Japan		 July 15, 2017

1. def. Ryo Sakai at DEEP 88 Impact on March 9, 2019 in Tokyo, Japan
2. def. Seigo Mizuguchi at DEEP 93 Impact on Dec. 15, 2019 in Tokyo, Japan

Cruiserweight
Weight limit: 93 kg (205 lb)
No. Name Event Date Defenses
1 Yoshiyuki Nakanishi
def. Ryuta Noji		 DEEP 47 Impact
Tokyo, Japan		 April 17, 2010

1. def. Bernard Ackah at DEEP 54 Impact on Jun 24, 2011 in Tokyo, Japan
2. def. Yuki Niimura at DEEP 60 Impact on Oct 19, 2012 in Tokyo, Japan
3. def. Shunsuke Inoue at DEEP 66 Impact on Apr 29, 2014 in Tokyo, Japan

Middleweight
Weight limit: 84 kg (185.2 lb)
No. Name Event Date Defenses
1 Ryuki Ueyama
def. Eiji Ishikawa		 DEEP 5 Impact
Tokyo, Japan		 June 9, 2002

1. def. Masanori Suda at DEEP 12 Impact on Sep 15, 2003 in Tokyo, Japan

2 Ryuta Sakurai DEEP 17 Impact
Tokyo, Japan		 December 8, 2004
3 Ryo Chonan
 DEEP 23 Impact
Tokyo, Japan		 February 5, 2006

1. def. Ryuta Sakurai at DEEP 28 Impact on Feb 16, 2007 in Tokyo, Japan

Ryo Chonan vacated the title on December 12, 2007.
4 Yuichi Nakanishi
def. Riki Fukuda		 DEEP 35 Impact
Tokyo, Japan		 May 19, 2008
5 Riki Fukuda Deep: 42 Impact
Tokyo, Japan		 June 30, 2009

1. def. Ryuta Sakurai at DEEP 49 Impact on Aug 27, 2010 in Tokyo, Japan

Riki Fukuda vacated the title in October 2010.
6 Kazuhiro Nakamura
def. Young Choi		 DEEP 61 Impact
Tokyo, Japan		 February 16, 2013
7 Yoshiyuki Nakanishi DEEP 70 Impact
Tokyo, Japan		 December 20, 2014
8 Young Choi DEEP Cage Impact 2015 in Osaka
Osaka, Japan		 October 11, 2015
Young Choi vacated the title in 2016 when he signed with Road FC.
9 Tatsuya Mizuno
def. Taisuke Okuno		 DEEP 82 Impact
Tokyo, Japan		 February 24, 2018

Welterweight
Weight limit: 77 kg (169.7 lb)
No. Name Event Date Defenses
1 Jutaro Nakao
def. Daisuke Nakamura		 DEEP 16 Impact
Tokyo, Japan		 October 30, 2004

1. def. Seichi Ikemoto at RealRhythm 3rd Stage on Mar 4, 2006 in Osaka, Japan

2 Hidehiko Hasegawa DEEP 28 Impact
Tokyo, Japan		 February 16, 2007

1. drew with Dong Hyun Kim at DEEP 32 Impact on Oct 10, 2007 in Tokyo, Japan

3 Seichi Ikemoto DEEP 36 Impact
Osaka, Japan		 July 27, 2008

1. def. Hidetaka Monma at Deep: 40 Impact on Feb 20, 2009 in Tokyo, Japan

4 Yuya Shirai DEEP 45 Impact
Osaka, Japan		 January 24, 2010

1. def. Shigetoshi Iwase at DEEP 50 Impact on Oct 24, 2010 in Tokyo, Japan
2. def. Taisuke Okuno at DEEP 56 Impact on Dec 16, 2011 in Tokyo, Japan

5 Dan Hornbuckle DEEP 62 Impact
Tokyo, Japan		 April 26, 2013
6 Ryo Chonan DEEP - Tribe Tokyo Night
Tokyo, Japan		 October 20, 2013
Ryo Chonan won the title in his retirement fight and retired as champion.
7 Yuta Watanabe DEEP - 66 Impact
Tokyo, Japan		 April 29, 2014

1. def. Yuya Shirai at DEEP 70 Impact on Dec 20, 2014 in Tokyo, Japan

8 Keita Nakamura DEEP - Cage Impact 2015
Tokyo, Japan		 July 20, 2015
Title vacant when Nakamura signed with the UFC.
9 Ryuichiro Sumimura
def. Ken Hasegawa		 DEEP - Cage Impact 2017: at Korakuen Hall
Tokyo, Japan		 July 15, 2017

1. def. Yoichiro Sato at DEEP 83 Impact on Apr 28, 2018 in Tokyo, Japan
2. def. Yuta Watanabe at DEEP 94 Impact on March 1, 2020 in Tokyo, Japan

Lightweight
Weight limit: 70 kg (154.3 lb)
No. Name Event Date Defenses
1 Dokonjonosuke Mishima
def. Tomomi "Taisho" Iwama		 DEEP 18 Impact
Tokyo, Japan		 February 12, 2005
Dokonjonosuke Mishima vacated the title in February 2006.
2 Nobuhiro Obiya
def. Ryan Bow		 DEEP 24 Impact
Tokyo, Japan		 April 11, 2006
3 Kazunori Yokota
 DEEP 28 Impact
Tokyo, Japan		 February 16, 2007
4 Seung-Hwan Bang DEEP 35 Impact
Tokyo, Japan 		May 19, 2008
Seung-Hwan Bang vacated the title in October 2008.
5 Katsunori Kikuno
def. Koichiro Matsumoto		 Deep: 41 Impact
Tokyo, Japan 		April 16, 2009

1. def. Nobuhiro Obiya at DEEP 50 Impact on Oct 24, 2010 in Tokyo, Japan

6 Mizuto Hirota DEEP 55 Impact
Tokyo, Japan		 August 26, 2011

1. def. Seichi Ikemoto at DEEP 57 Impact on Feb 18, 2012 in Tokyo, Japan

Mizuto Hirota vacated the title in April 2012.[1]
7 Daisuke Nakamura
def. Yasuaki Kishimoto		 DEEP 58 Impact
Tokyo, Japan		 June 15, 2012

1. def. Takafumi Ito at DEEP 60 Impact on Oct 19, 2012 in Tokyo, Japan

8 Satoru Kitaoka DEEP 62 Impact
Tokyo, Japan		 April 26, 2013

1. def. Naoto Miyazaki at DEEP 66 Impact on Apr 29, 2014 in Tokyo, Japan
2. def. Yoshiyuki Yoshida at DEEP Dream Impact: Omisoka Special on Dec 31, 2014 in Saitama, Japan
3. def. Yuki Okano at DEEP Cage Impact 2015 on July 20, 2015 in Tokyo, Japan
4. def. Kota Shimoishi at DEEP 76 Impact on June 26, 2016 in Tokyo, Japan

9 Koji Takeda DEEP 86 Impact
Tokyo, Japan		 October 27, 2018

1. def. Juri Ohara at DEEP 82 Impact on Oct 22, 2019 in Tokyo, Japan
2. def. Juri Ohara at DEEP 93 Impact on Dec 15, 2019 in Tokyo, Japan

Featherweight
Weight limit: 65 kg (143.3 lb)
No. Name Event Date Defenses
1 Masakazu Imanari
def. Yoshiro Maeda		 DEEP 22 Impact
Tokyo, Japan		 December 2, 2005

1. def. Tsuyoshi Yamazaki at DEEP 26 Impact on Oct 10, 2006 in Tokyo, Japan

2 Dokonjonosuke Mishima DEEP 35 Impact
Tokyo, Japan		 May 19, 2008
3 Takafumi Otsuka Deep: 43 Impact
Tokyo, Japan		 August 23, 2009
4 Koichiro Matsumoto DEEP 48 Impact
Tokyo, Japan		 July 3, 2010

1. def. Tatsunao Nagakura at DEEP 55 Impact on Aug 26, 2011 in Tokyo, Japan

Koichiro Matsumoto retired on August 26, 2011, thereby vacating the title.
5 Kazunori Yokota
def. Hideki Kadowaki		 DEEP 57 Impact
Tokyo, Japan		 February 18, 2012

1. def. Katusnori Tsuda at DEEP 66 Impact on Apr 29, 2014 in Tokyo, Japan

Kazunori Yokota vacated the title in May 2016 when he left to compete for ONE Championship.
6 Masakazu Imanari (2)
def. Tatsunao Nagakura		 DEEP Cage Impact 2016: DEEP vs. WSOF-GC
Tokyo, Japan		 December 17, 2016
Imanari vacated the title for unknown reasons.
7 Hiroto Uesako
def. Koichi Ishizuka		 DEEP Cage Impact 2017: At Korakuen Hall
Tokyo, Japan		 July 15, 2017
8 Takahiro Ashida DEEP 81 Impact
Tokyo, Japan		 December 23, 2017
9 Satoshi Yamasu DEEP 86 Impact
Tokyo, Japan		 October 27, 2018

1. def. Daiki Hata at DEEP 89 Impact on May 12, 2019 in Tokyo, Japan

Bantamweight
Weight limit: 60 kg (132.3 lb)
No. Name Event Date Defenses
1 Masakazu Imanari
def. Hiroshi Umemura		 DEEP 37 Impact
Tokyo, Japan		 August 17, 2008

1. def. Tomohiko Hori at Deep: 43 Impact on Aug 23, 2009 in Tokyo, Japan
2. def. Tomoya Miyashita at DEEP 49 Impact on Aug 27, 2010 in Tokyo, Japan

Masakazu Imanari vacated the title on May 31, 2011.
2 Takafumi Otsuka
def. Hiroshi Nakamura		 DEEP 54 Impact
Tokyo, Japan		 June 24, 2011
3 Yoshiro Maeda DEEP 57 Impact
Tokyo, Japan		 February 18, 2012

1. def. Tatsumitsu Wada at DEEP 59 Impact on Aug 18, 2012 in Tokyo, Japan

4 Daiki Hata DEEP 62 Impact
Tokyo, Japan		 April 26, 2013
Daiki Hata vacated the title.
5 Takafumi Otsuka
def. Kenji Osawa		 DEEP 66 Impact
Tokyo, Japan		 April 29, 2014

1. def. Toshinori Tsunemura at DEEP 69 Impact on Oct 26, 2014 in Tokyo, Japan
2. def. Toshiaki Kitada at DEEP 72 Impact on May 16, 2015 in Tokyo, Japan
3. def. Koichi Ishizuka at DEEP Cage Impact 2017 on May 13, 2017 in Tokyo, Japan

Otsuka vacated the title for unknown reasons.
6 Jin Soo Son
def. Toshiaki Kitada		 DEEP 83 Impact
Tokyo, Japan		 April 28, 2018
Jin Soo Son vacated the title in 2018 when he signed with UFC .
7 Yuki Motoya
def. Makoto Kamaya		 DEEP 86 Impact
Tokyo, Japan		 October 27, 2018
8 Victor Henry DEEP 88 Impact
Tokyo, Japan		 March 9, 2019

Flyweight
Weight limit: 56 kg (123.4 lb)
No. Name Event Date Defenses
1 Yuki Motoya[2]
def. Akira Kibe		 DEEP Nagoya Impact
Nagoya, Aichi, Japan		 July 22, 2012
2 Tatsumitsu Wada DEEP - 63 Impact
Tokyo, Japan		 Aug 25, 2013
3 Yuki Motoya DEEP - 68 Impact
Tokyo, Japan		 Aug 23, 2014 1. def. Sota Kojima at Deep: 73 Impact on October 17, 2015 in Tokyo, Japan
Yuki Motoya vacated the title in April 2016.
4 Tatsumitsu Wada
def. Yuya Shibata		 DEEP - 76 Impact
Tokyo, Japan		 June 26, 2016 1. def. Makoto Takahashi at Deep: 83 Impact on April 28, 2018 in Tokyo, Japan
- Makoto Takahashi
def. Yuya Shibata for interim title		 DEEP - 90 Impact
Tokyo, Japan		 June 29, 2019

Strawweight
Weight limit: 52 kg (114.6 lb)
No. Name Event Date Defenses
1 Kanta Sato
def. Sota Kojima		 DEEP Cage Impact 2016: Korakuen Hall
Tokyo, Japan		 October 18, 2016
2 Haruo Ochi DEEP 79 Impact
Tokyo, Japan		 September 16, 2017 1. def. Yuya Shibata at DEEP Cage Impact in Osaka 2018 on Apr. 8, 2018 in Osaka, Japan

2. def. Namiki Kawahara at DEEP 88 Impact on March 9, 2019 in Tokyo, Japan

Women's Championship History

Openweight
No. Name Event Date Defenses
1 Amanda Lucas
def. Yumiko Hotta		 DEEP 57 Impact
Bunkyō, Tokyo, Japan		 February 18, 2012

Lightweight
Weight limit: 50 kg (110.2 lb)
No. Name Event Date Defenses
1 Hisae Watanabe
def. Satoko Shinashi		 DEEP 25 Impact
Bunkyō, Tokyo, Japan		 August 4, 2006
2 Miku Matsumoto DEEP 31 Impact
Bunkyō, Tokyo, Japan		 August 5, 2007

1. def. Misaki Takimoto at DEEP 37 Impact on Aug 17, 2008 in Bunkyō, Tokyo
2. def. Lisa Ward at DEEP TOYAMA Impact on Jun 28, 2009 in Toyama, Toyama

Miku Matsumoto vacated the title on April 17, 2010.

Flyweight
Weight limit: 45 kg (99.2 lb)
No. Name Event Date Defenses
1 Satoko Shinashi
def. Sachiko Yamamoto		 DEEP 34 Impact
Bunkyō, Tokyo, Japan		 February 22, 2008

See also

References
  1. "DEEP Lightweight Champion vacated the Title"
  2. "Youngest Champ In DEEP History ( DEEP Flyweight Championship Tournament Final )"
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