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

[1]

Men
DivisionChampionSinceDefenses
Megatonweight Roque Martinez Jul 15, 2017 2
Light Heavyweight Vacant Mar 9, 2019 –
Middleweight Joao Batista Yoshimura Jul 4, 2021 0
Welterweight Ryuichiro Sumimura Jul 15, 2017 2
Daichi Abe (interim) Feb 21, 2021 0
Lightweight Koji Takeda Oct 27, 2018 2
Juri Ohara (interim) Jul 4, 2021 0
Featherweight Juntaro Ushiku Sep 20, 2020 2
Bantamweight Victor Henry Mar 9, 2019 0
Flyweight Yamato Fujita Feb 21, 2021 1
Strawweight Namiki Kawahara Aug 23, 2020 0

Women
DivisionChampionSinceDefenses
Openweight Amanda Lucas Febr 18, 2012 0
Lightweight Vacant Mar 9, 2019 –
Microweight Saori Oshima Sep 20, 2020 0

Men's Championship History

Megatonweight Championship
Weight limit: Unlimited
No.NameEventDateReign
(total)		Defenses
1 Yūsuke Kawaguchi
def. Shunsuke Inoue		 Club DEEP Tokyo "Megaton GP 2008 Final"
Tokyo, Japan		 Aug 2, 2008 870 days

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 on December 20, 2010.[2]
2 Kazuhisa Tazawa
def. Yuji Sakuragi		 DEEP 52 Impact
Tokyo, Japan		 Feb 25, 2011 182 days
3 Levan Razmadze DEEP 55 Impact
Tokyo, Japan		 Aug 26, 2011  ? days

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		 Feb 16, 2013 970 days

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 on October 14, 2015, when he started competing at a lower weight class.[3]
5 Jaideep Singh
def. Carlos Toyota		 DEEP 73 Impact
Tokyo, Japan		 Oct 17, 2015 637 days
6 Roque Martinez DEEP Cage Impact 2017: At Korakuen Hall
Tokyo, Japan		 Jul 15, 2017 1,735 days
(incumbent)

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

Light Heavyweight Championship
Weight limit: 93 kg (205 lb)
No.NameEventDateReign
(total)		Defenses
1 Yoshiyuki Nakanishi
def. Ryuta Noji		 DEEP 47 Impact
Tokyo, Japan		 Apr 17, 2010 3,248 days

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

The Championship was vacated when Yoshiyuki Nakanishi retired on March 9, 2019 at DEEP 88.[4]

Middleweight Championship
Weight limit: 84 kg (185.2 lb)
No.NameEventDateReign
(total)		Defenses
1 Ryuki Ueyama
def. Eiji Ishikawa		 DEEP 5 Impact
Tokyo, Japan		 Jun 9, 2002 914 days

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

2 Ryuta Sakurai DEEP 17 Impact
Tokyo, Japan		 Dec 8, 2004 425 days
3 Ryo Chonan DEEP 23 Impact
Tokyo, Japan		 Feb 5, 2006 676 days

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

Ryo Chonan vacated the title on December 12, 2007.[5]
4 Yuichi Nakanishi
def. Riki Fukuda		 DEEP 35 Impact
Tokyo, Japan		 May 19, 2008 408 days
5 Riki Fukuda Deep: 42 Impact
Tokyo, Japan		 Jun 30, 2009  ? days

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

Riki Fukuda vacated the title in October 2011.[6]
6 Kazuhiro Nakamura
def. Young Choi		 DEEP 61 Impact
Tokyo, Japan		 Feb 16, 2013 673 days
7 Yoshiyuki Nakanishi DEEP 70 Impact
Tokyo, Japan		 Dec 20, 2014 296 days
8 Young Choi DEEP Cage Impact 2015 in Osaka
Osaka, Japan		 Oct 11, 2015  ? days
Young Choi vacated the title in 2016 when he signed with Road FC.[7]
9 Tatsuya Mizuno
def. Taisuke Okuno		 DEEP 82 Impact
Tokyo, Japan		 Feb 24, 2018 1,227 days
10 Joao Batista Yoshimura DEEP 102 Impact
Tokyo, Japan		 July 4, 2021 285 days
(incumbent)

Welterweight Championship
Weight limit: 77 kg (169.7 lb)
No.NameEventDateReign
(total)		Defenses
1 Jutaro Nakao
def. Daisuke Nakamura		 DEEP 16 Impact
Tokyo, Japan		 Oct 30, 2004 840 days

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

2 Hidehiko Hasegawa DEEP 28 Impact
Tokyo, Japan		 Feb 16, 2007 528 days

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		 Jul 27, 2008 547 days

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

4 Yuya Shirai DEEP 45 Impact
Osaka, Japan		 Jan 24, 2010 1,189 days

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		 Apr 26, 2013 178 days
6 Ryo Chonan DEEP - Tribe Tokyo Night
Tokyo, Japan		 Oct 20, 2013 >1 day
Ryo Chonan won the title in his retirement fight and retired as champion.[8]
7 Yuta Watanabe
def. Taisuke Okuno		 DEEP 66 Impact
Tokyo, Japan		 Apr 29, 2014 438 days

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

8 Keita Nakamura DEEP - Cage Impact 2015
Tokyo, Japan		 Jul 20, 2015  ? days
Title vacant when Nakamura signed with the UFC.
9 Ryuichiro Sumimura
def. Ken Hasegawa		 DEEP - Cage Impact 2017: at Korakuen Hall
Tokyo, Japan		 Jul 15, 2017 1,735 days
(incumbent)

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

- Daichi Abe
def. Gota Yamashita for interim title		 DEEP - 100 Impact - 20th Anniversary
Bunkyo, Tokyo, Japan		 Feb 21, 2021 418 days
(incumbent)

Lightweight Championship
Weight limit: 70 kg (154.3 lb)
No.NameEventDateReign
(total)		Defenses
1 Dokonjonosuke Mishima
def. Tomomi "Taisho" Iwama		 DEEP 18 Impact
Tokyo, Japan		 Feb 12, 2005  ? days
Dokonjonosuke Mishima vacated the title in February 2006, as he was unable to defend in the mandatory time period.[9]
2 Nobuhiro Obiya
def. Ryan Bow		 DEEP 24 Impact
Tokyo, Japan		 Apr 11, 2006 312 days
3 Kazunori Yokota DEEP 28 Impact
Tokyo, Japan		 Feb 16, 2007 459 days
4 Seung-Hwan Bang DEEP 35 Impact
Tokyo, Japan		 May 19, 2008  ? days
Seung-Hwan Bang vacated the title in October 2008.
5 Katsunori Kikuno def. Koichiro Matsumoto Deep: 41 Impact
Tokyo, Japan		 Apr 16, 2009 863 days

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

6 Mizuto Hirota DEEP 55 Impact
Tokyo, Japan		 Aug 26, 2011  ? days

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

Mizuto Hirota vacated the title in April 2012.[10]
7 Daisuke Nakamura
def. Yasuaki Kishimoto		 DEEP 58 Impact
Tokyo, Japan		 Jun 15, 2012 326 days

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

8 Satoru Kitaoka DEEP 62 Impact
Tokyo, Japan		 Apr 26, 2013 2,011 days

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 Jul 20, 2015 in Tokyo, Japan
4. def. Kota Shimoishi at DEEP 76 Impact on Jun 26, 2016 in Tokyo, Japan

9 Koji Takeda DEEP 86 Impact
Tokyo, Japan		 Oct 27, 2018 1,235 days

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

Takeda vacated the belt on March 15, 2022.[11]
10 Juri Ohara
def. Ryota Oki for interim title		 DEEP 102 Impact
Tokyo, Japan		 Jul 4, 2021 285 days
(incumbent)

Featherweight Championship
Weight limit: 65 kg (143.3 lb)
No.NameEventDateReign
(total)		Defenses
1 Masakazu Imanari
def. Yoshiro Maeda		 DEEP 22 Impact
Tokyo, Japan		 Dec 2, 2005 900 days

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 462 days
3 Takafumi Otsuka Deep: 43 Impact
Tokyo, Japan		 Aug 23, 2009 315 days
4 Koichiro Matsumoto DEEP 48 Impact
Tokyo, Japan		 Jul 3, 2010 420 days

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.[12]
5 Kazunori Yokota
def. Hideki Kadowaki		 DEEP 57 Impact
Tokyo, Japan		 Feb 18, 2012  ? days

1. def. Katsunori 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.[13]
6 Masakazu Imanari (2)
def. Tatsunao Nagakura		 DEEP Cage Impact 2016: DEEP vs. WSOF-GC
Tokyo, Japan		 Dec 17, 2016  ? days
Imanari vacated the title for unknown reasons.
7 Hiroto Uesako
def. Koichi Ishizuka		 DEEP Cage Impact 2017: At Korakuen Hall
Tokyo, Japan		 Jul 15, 2017 162 days
8 Takahiro Ashida DEEP 81 Impact
Tokyo, Japan		 Dec 23, 2017 309 days
9 Satoshi Yamasu DEEP 86 Impact
Tokyo, Japan		 Oct 27, 2018 695 days

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

10 Juntaro Ushiku DEEP 97 Impact
Tokyo, Japan		 Sep 20, 2020 572 days
(incumbent)

1. def. Daisuke Nakamura at DEEP 102 Impact on Jul 4, 2021 in Tokyo, Japan
2. def. Kouya Kanda at DEEP 105 Impact on Dec 12, 2021 in Tokyo, Japan

Bantamweight Championship
Weight limit: 60 kg (132.3 lb)
No.NameEventDateReign
(total)		Defenses
1 Masakazu Imanari
def. Hiroshi Umemura		 DEEP 37 Impact
Tokyo, Japan		 Aug 17, 2008 1,018 days

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		 Jun 24, 2011 240 days
3 Yoshiro Maeda DEEP 57 Impact
Tokyo, Japan		 Feb 18, 2012 434 days

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

4 Daiki Hata DEEP 62 Impact
Tokyo, Japan		 Apr 26, 2013  ? days
Daiki Hata vacated the title.
5 Takafumi Otsuka (2)
def. Kenji Osawa		 DEEP 66 Impact
Tokyo, Japan		 Apr 29, 2014  ? days

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		 Apr 28, 2018  ? days
Jin Soo Son vacated the title in 2018 when he signed with UFC.
7 Yuki Motoya
def. Makoto Kamaya		 DEEP 86 Impact
Tokyo, Japan		 Oct 27, 2018 134 days
8 Victor Henry DEEP 88 Impact
Tokyo, Japan		 Mar 9, 2019 1,133 days
(incumbent)

Flyweight Championship
Weight limit: 56 kg (123.4 lb)
No.NameEventDateReign
(total)		Defenses
1 Yuki Motoya
def. Akira Kibe		 DEEP Nagoya Impact
Nagoya, Aichi, Japan		 Jul 22, 2012 400 days
2 Tatsumitsu Wada DEEP 63 Impact
Tokyo, Japan		 Aug 25, 2013 364 days
3 Yuki Motoya (2) DEEP 68 Impact
Tokyo, Japan		 Aug 23, 2014  ? days

1. def. Kojima Sota at Deep 73 Impact on Oct 17, 2015 in Tokyo, Japan

Yuki Motoya vacated the title in April 2016.[14]
4 Tatsumitsu Wada (2)
def. Yuya Shibata		 DEEP 76 Impact
Tokyo, Japan		 Jun 26, 2016  ? days

1. def. Makoto Takahashi at Deep 83 Impact on Apr 28, 2018 in Tokyo, Japan

Tatsumitsu Wada vacated the title on Feb 2020.
- Makoto Takahashi
def. Yuya Shibata for interim title		 DEEP 90 Impact
Tokyo, Japan		 Jun 29, 2019  ? days
Makoto Takahashi vacated the title on Aug 2020 when he signed with Rizin Fighting Federation.
5 Yamato Fujita
def. Kazuki Shibuya for interim title		 DEEP 100 Impact - 20th Anniversary
Tokyo, Japan		 Feb 21, 2021 418 days
(incumbent)		 1. def. Yuki Ito at DEEP 103 Impact on Sept 23, 2021 in Bunkyo

Strawweight Championship
Weight limit: 52 kg (114.6 lb)
No.NameEventDateReign
(total)		Defenses
1 Kanta Sato
def. Kojima Sota		 DEEP Cage Impact 2016: Korakuen Hall
Tokyo, Japan		 Oct 18, 2016 334 days
2 Haruo Ochi DEEP 79 Impact
Tokyo, Japan		 Sep 16, 2017 1,073 days

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 Mar 9, 2019 in Tokyo, Japan

3 Namiki Kawahara DEEP 96 Impact
Tokyo, Japan		 Aug 23, 2020 600 days
(incumbent)

Women's Championship History

Openweight Championship
No.NameEventDateReign
(total)		Defenses
1 Amanda Lucas
def. Yumiko Hotta		 DEEP 57 Impact
Bunkyō, Tokyo, Japan		 Feb 18, 2012  ? days[Note 1]

Lightweight Championship
Weight limit: 50 kg (110.2 lb)
No.NameEventDateReign
(total)		Defenses
1 Hisae Watanabe
def. Satoko Shinashi		 DEEP 25 Impact
Bunkyō, Tokyo, Japan		 Aug 4, 2006 367 days
2 Miku Matsumoto DEEP 31 Impact
Bunkyō, Tokyo, Japan		 Aug 5, 2007 987 days

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

Miku Matsumoto vacated the title on April 17, 2010, following her retirement from the sport.[15]

Flyweight Championship
Weight limit: 45 kg (99.2 lb)
No.NameEventDateReign
(total)		Defenses
1 Satoko Shinashi
def. Sachiko Yamamoto		 DEEP 34 Impact
Bunkyō, Tokyo, Japan		 Feb 22, 2008  ? days[Note 2]

Microweight Championship
Weight limit: 44 kg (97 lb)
No.NameEventDateReign
(total)		Defenses
1 Saori Oshima
def. Mizuki Oshiro		 DEEP 97 Impact
Tokyo, Japan		 Sep 20, 2020 572 days
(incumbent)

Footnotes
  1. While the title hasn't been active since 2012 and Lucas isn't competing anymore, Deep never announced the vacancy of the title.
  2. While the title hasn't been active since 2018, Deep never announced the vacancy of the title.

See also

References
  1. "Champions". Deep. Retrieved September 21, 2021.
  2. "【DEEP】1・8川口雄介が王座返上、マカオで桜木裕司VS田澤和久の王座決定戦". gbring.com. Retrieved 13 July 2021.
  3. "【DEEP】無敗の長谷川賢がミドル級転向「RIZINに出たい」". efight.jp. Retrieved 13 July 2021.
  4. "【DEEP】DEEP二階級制覇・中西良行が3月9日（土）『DEEP 88 IMPACT』後楽園ホール大会で引退の10カウントゴング". gonkaku.jp. Retrieved February 13, 2019.
  5. "【DEEP】2・22長南亮の王座返上でミドル級王座決定トーナメント開催！". gbring.com. Retrieved 13 July 2021.
  6. "【DEEP】8・26福田力がミドル級王座を返上！王者査定試合で桜井隆多vs柴田勝頼". gbring.com. Retrieved 13 July 2021.
  7. "'돌아온 적당주의' 최영 "차정환이 갖고 있는 로드FC 벨트 원해"". spotvnews.co.kr. Retrieved 13 July 2021.
  8. "長南、引退試合でＤＥＥＰ王座奪取 ホーンバックルを判定で下し有終の美". sports.yahoo.co.jp. Retrieved 13 July 2021.
  9. "【DEEP】4・11　雷暗「両目を眼窩底骨折させる」、帯谷も倍返し宣言！". gbring.com. Retrieved 13 July 2021.
  10. "DEEP Lightweight Champion vacated the Title"
  11. "【DEEP】武田光司と魅津希がベルト返上、大原樹理と伊澤星花が正規王者に「胸を張れる肩書きができました」（大原）". efight.jp. Retrieved 15 March 2022.
  12. "廣田瑞人が菊野克紀を下し新王者 松本晃市郎が王座防衛で引退 DEEP55沸騰". miruhon.net. Retrieved 13 July 2021.
  13. "【ONE42】尿酸値と戦う<02>横田一則 「尿酸値だけパスすれば、試合は必ず勝てるので」". mmaplanet.jp. Retrieved 13 July 2021.
  14. "6･26　DEEP後楽園ホール　【DEEPライト級タイトルマッチ】北岡悟vs下石康太　【第4代DEEPフライ級王者決定戦】和田竜光vs柴田"MONKEY"有哉". battle-news.com. Retrieved 13 July 2021.
  15. Nelson, Chris. "Miku Matsumoto Announces Retirement". bloodyelbow.com. Retrieved 13 July 2021.
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