List of Deep champions#Flyweight Championship

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

= Men =

class="wikitable sortable" ! width=120\|Division ! width=200\|Champion ! width=120\|Since ! Defenses
style="text-align:left;"\|Megatonweight \| {{flagicon\|Guam}} Roque Martinez \| {{dts\|July 15, 2017}} \| align=center \| 3
style="text-align:left;"\|Light Heavyweight \| Vacant \| {{dts\|March 9, 2019}} \| align=center \| —
style="text-align:left;"\|Middleweight \| {{flagicon\|BRA}} João Batista Yoshimura \| {{dts\|July 4, 2021}} \| align=center \| 0
style="text-align:left;"\|Welterweight \| {{flagicon\|JPN}} Yoichiro Sato \| {{dts\|July 14, 2024}} \| align=center \| 0
style="text-align:left;"\|Lightweight \| {{flagicon\|JPN}} Shunta Nomura \| {{dts\|September 16, 2024}} \| align=center \| 0
style="text-align:left;"\|Featherweight \| {{flagicon\|JPN}} Jin Aoi \| {{dts\|March 9, 2024}} \| align=center \| 0
style="text-align:left;"\|Bantamweight \| {{flagicon\|JPN}} Ryuya Fukuda \| {{dts\|September 16, 2024}} \| align=center \| 0
style="text-align:left;"\|Flyweight \| {{flagicon\|JPN}} Ryuya Fukuda \| {{dts\|March 29, 2024}} \| align=center \| 0
style="text-align:left;"\|Strawweight \| {{flagicon\|JPN}} Haruo Ochi \| {{dts\|May 26, 2024}} \| align=center \| 0

class="wikitable sortable"

! width=120|Division

! width=200|Champion

! width=120|Since

! Defenses

style="text-align:left;"|Megatonweight

| {{flagicon|Guam}} Roque Martinez

| {{dts|July 15, 2017}}

| align=center | 3

style="text-align:left;"|Light Heavyweight

| Vacant

| {{dts|March 9, 2019}}

| align=center | —

style="text-align:left;"|Middleweight

| {{flagicon|BRA}} João Batista Yoshimura

| {{dts|July 4, 2021}}

| align=center | 0

style="text-align:left;"|Welterweight

| {{flagicon|JPN}} Yoichiro Sato

| {{dts|July 14, 2024}}

| align=center | 0

style="text-align:left;"|Lightweight

| {{flagicon|JPN}} Shunta Nomura

| {{dts|September 16, 2024}}

| align=center | 0

style="text-align:left;"|Featherweight

| {{flagicon|JPN}} Jin Aoi

| {{dts|March 9, 2024}}

| align=center | 0

style="text-align:left;"|Bantamweight

| {{flagicon|JPN}} Ryuya Fukuda

| {{dts|September 16, 2024}}

| align=center | 0

style="text-align:left;"|Flyweight

| {{flagicon|JPN}} Ryuya Fukuda

| {{dts|March 29, 2024}}

| align=center | 0

style="text-align:left;"|Strawweight

| {{flagicon|JPN}} Haruo Ochi

| {{dts|May 26, 2024}}

| align=center | 0

= Women =

class="wikitable sortable" ! width=120\|Division ! width=200\|Champion ! width=120\|Since ! Defenses
style="text-align:left;"\|Openweight \| {{flagicon\|USA}} Amanda Lucas \| {{dts\|February 18, 2012}} \| align=center \| 0
style="text-align:left;"\|Atomweight \| Vacant \| {{dts\|March 9, 2019}} \| align=center \| —
style="text-align:left;"\|Microweight \| {{flagicon\|JPN}} Saori Oshima \| {{dts\|September 20, 2020}} \| align=center \| 1

class="wikitable sortable"

! width=120|Division

! width=200|Champion

! width=120|Since

! Defenses

style="text-align:left;"|Openweight

| {{flagicon|USA}} Amanda Lucas

| {{dts|February 18, 2012}}

| align=center | 0

style="text-align:left;"|Atomweight

| Vacant

| {{dts|March 9, 2019}}

| align=center | —

style="text-align:left;"|Microweight

| {{flagicon|JPN}} Saori Oshima

| {{dts|September 20, 2020}}

| align=center | 1

Men's championship history

= Megatonweight Championship =

::Weight limit: Unlimited

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Yusuke Kawaguchi {{small\|def. Shunsuke Inoue}} \| Deep: Megaton Grand Prix 2008 Finals {{small\|Tokyo, Japan}} \| align=center \| August 2, 2008 \| align=center \| 870 days \| {{small\|1. def Baru Harn at Deep 38 Impact on October 23, 2008 2. def. Seigo Mizuguchi at Deep: 44 Impact on October 10, 2009 3. def. Roque Martinez at Deep: Cage Impact 2009 on December 19, 2009}}
colspan=6 align=center \|Kawaguchi vacated the title on December 20, 2010.{{cite web \|title=【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 \|url=https://gbring.com/sokuho/news/2010_12/1220_deep.htm \|website=gbring.com \|access-date=13 July 2021}}
2 \| {{flagicon\|Japan}} Kazuhisa Tazawa {{small\|def. Yuji Sakuragi}} \| Deep 52 Impact {{small\|Tokyo, Japan}} \| align=center \| February 25, 2011 \| align=center \| 182 days \|
3 \| {{flagicon\|Georgia}} Levan Razmadze \| Deep 55 Impact {{small\|Tokyo, Japan}} \| align=center \| August 26, 2011 \| align=center \| 327 days \| {{small\|1. def. Ryuta Noji at Deep 57 Impact on February 18, 2012}}
colspan=6 align=center \|Razmadze vacated the title in July 4, 2012.
4 \| {{flagicon\|Japan}} Ken Hasegawa {{small\|def. Seigo Mizuguchi}} \| Deep 61 Impact {{small\|Tokyo, Japan}} \| align=center \| February 16, 2013 \| align=center \| 970 days \| {{small\|1. def. Hirohide Fujinuma at Deep 63 Impact on August 25, 2013 2. def. Kazuhiro Nakamura at Deep 65 Impact on March 22, 2014}}
colspan=6 align=center \|Hasegawa vacated the title on October 14, 2015 when he started competing at a lower weight class.{{cite web \|title=【Deep】無敗の長谷川賢がミドル級転向「RIZINに出たい」 \|url=https://efight.jp/news-20151014_219761 \|website=efight.jp \|access-date=13 July 2021}}
5 \| {{flagicon\|India}} Jaideep Singh {{small\|def. Carlos Toyota}} \| Deep 73 Impact {{small\|Tokyo, Japan}} \| align=center \| October 17, 2015 \| align=center \| 637 days \|
6 \| {{flagicon\|Guam}} Roque Martinez \| Deep Cage Impact 2017: At Korakuen Hall {{small\|Tokyo, Japan}} \| align=center \| July 15, 2017 \| align=center \| {{formatnum:{{age in days\|2017\|07\|15}}}} days (incumbent) \| {{small\|1. def. Ryo Sakai at Deep 88 Impact on March 9, 2019 2. def. Seigo Mizuguchi at Deep 93 Impact on December 15, 2019 3. def. interim champion Ryo Sakai at Deep 118 Impact on March 9, 2024}}
— \| {{flagicon\|JPN}} Ryo Sakai {{small\|def. Yukinori Akazawa for interim title}} \| Deep 110 Impact {{small\|Tokyo, Japan}} \| align=center \| November 12, 2022 \| align=center \| 483 days \|{{small\|1. def Tatsuya Mizuno at Deep 114 Impact on July 2, 2023.}}

= Light Heavyweight Championship =

::Weight limit: 93 kg (205 lb)

class="wikitable" style="width:90%;"
style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
1 \| {{nowrap\|{{flagicon\|Japan}} Yoshiyuki Nakanishi}} {{small\|def. Ryuta Noji}} \| Deep 47 Impact {{small\|Tokyo, Japan}} \| align=center \| April 17, 2010 \| align=center \| 3,248 days \| {{small\|1. def. Bernard Ackah at Deep 54 Impact on June 24, 2011 2. def. Yuki Niimura at Deep 60 Impact on October 19, 2012 3. def. Shunsuke Inoue at Deep 66 Impact on April 29, 2014}}
colspan=6 align=center \|Nakanishi vacated the title on March 9, 2019 when he retired.{{cite web \|title=【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 \|url=https://gonkaku.jp/articles/305 \|website=gonkaku.jp \|access-date=February 13, 2019}}

class="wikitable" style="width:90%;"

style="width:2%;"|No.

Name

Event

style="width:9%;"|Date

style="width:9%;"|Reign
(total)

Defenses

| {{nowrap|{{flagicon|Japan}} Yoshiyuki Nakanishi}}
{{small|def. Ryuta Noji}}

| Deep 47 Impact
{{small|Tokyo, Japan}}

| align=center | April 17, 2010

| align=center | 3,248 days

{{small|1. def. Bernard Ackah at Deep 54 Impact on June 24, 2011

2. def. Yuki Niimura at Deep 60 Impact on October 19, 2012

3. def. Shunsuke Inoue at Deep 66 Impact on April 29, 2014}}

colspan=6 align=center |Nakanishi vacated the title on March 9, 2019 when he retired.{{cite web |title=【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 |url=https://gonkaku.jp/articles/305 |website=gonkaku.jp |access-date=February 13, 2019}}

= Middleweight Championship =

::Weight limit: 84 kg (185.2 lb)

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Ryuki Ueyama {{small\|def. Eiji Ishikawa}} \| Deep 5 Impact {{small\|Tokyo, Japan}} \| align=center \| June 9, 2002 \| align=center \| 914 days \| {{small\|1. drew with Masanori Suda at Deep 12 Impact on September 15, 2003}}
2 \| {{flagicon\|Japan}} Ryuta Sakurai \| Deep 17 Impact {{small\|Tokyo, Japan}} \| align=center \| December 8, 2004 \| align=center \| 425 days \|
3 \| {{flagicon\|Japan}} Ryo Chonan \| Deep 23 Impact {{small\|Tokyo, Japan}} \| align=center \| February 5, 2006 \| align=center \| 676 days \| {{small\|1. def. Ryuta Sakurai at Deep 28 Impact on February 16, 2007}}
colspan=6 align=center \|Chonan vacated the title on December 12, 2007.{{cite web \|title=【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！ \|url=https://gbring.com/sokuho/news/2007_12/1212_deep.htm \|website=gbring.com \|access-date=13 July 2021}}
4 \| {{flagicon\|Japan}} Yuichi Nakanishi {{small\|def. Riki Fukuda}} \| Deep 35 Impact {{small\|Tokyo, Japan}} \| align=center \| May 19, 2008 \| align=center \| 408 days \|
5 \| {{flagicon\|Japan}} Riki Fukuda \| Deep: 42 Impact {{small\|Tokyo, Japan}} \| align=center \| June 30, 2009 \| align=center \| 738 days \| {{small\|1. def. Ryuta Sakurai at Deep 49 Impact on August 27, 2010}}
colspan=6 align=center \|Fukuda vacated the title in July 8, 2011 due to being signed with the UFC.{{cite web \|title=【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 \|url=https://gbring.com/sokuho/news/2011_07/0708_deep_02.htm \|website=gbring.com \|access-date=13 July 2021}}
6 \| {{flagicon\|Japan}} Kazuhiro Nakamura {{small\|def. Choi Young}} \| Deep 61 Impact {{small\|Tokyo, Japan}} \| align=center \| February 16, 2013 \| align=center \| 673 days \|
7 \| {{flagicon\|Japan}} Yoshiyuki Nakanishi \| Deep 70 Impact {{small\|Tokyo, Japan}} \| align=center \| Decision 20, 2014 \| align=center \| 296 days \|
8 \| {{flagicon\|South Korea}} Choi Young \| Deep Cage Impact 2015 in Osaka {{small\|Osaka, Japan}} \| align=center \| October 11, 2015 \| align=center \| ? days \|
colspan=6 align=center \|Choi vacated the title in 2016 when he signed with Road FC.{{cite web \|title='돌아온 적당주의' 최영 "차정환이 갖고 있는 로드FC 벨트 원해" \|url=http://www.spotvnews.co.kr/?mod=news&act=articleView&idxno=49353 \|website=spotvnews.co.kr \|access-date=13 July 2021}}
9 \| {{flagicon\|Japan}} Tatsuya Mizuno {{small\|def. Taisuke Okuno}} \| Deep 82 Impact {{small\|Tokyo, Japan}} \| align=center \| February 24, 2018 \| align=center \| 1,227 days \|
10 \| {{flagicon\|Brazil}} João-Batista Yoshimura \| Deep 102 Impact {{small\|Tokyo, Japan}} \| align=center \| July 4, 2021 \| align=center \| {{formatnum:{{age in days\|2021\|07\|04}}}} days (incumbent) \|

= Welterweight Championship =

::Weight limit: 77 kg (169.7 lb)

class="wikitable" style="width:90%;"
style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
1 \| {{flagicon\|Japan}} Jutaro Nakao {{small\| def. Daisuke Nakamura}} \| Deep 16 Impact {{small\|Tokyo, Japan}} \| align=center \| October 30, 2004 \| align=center \| 840 days \| {{small\|1. def. Seichi Ikemoto at RealRhythm 3rd Stage on March 4, 2006}}
2 \| {{flagicon\|Japan}} Hidehiko Hasegawa \| Deep 28 Impact {{small\|Tokyo, Japan}} \| align=center \| February 16, 2007 \| align=center \| 528 days \| {{small\|1. drew with Dong Hyun Kim at Deep 32 Impact on October 10, 2007}}
3 \| {{flagicon\|Japan}} Seichi Ikemoto \| Deep 36 Impact {{small\|Osaka, Japan}} \| align=center \| July 27, 2008 \| align=center \| 547 days \| {{small\|1. def. Hidetaka Monma at Deep: 40 Impact on February 20, 2009}}
4 \| {{flagicon\|Japan}} Yuya Shirai \| Deep 45 Impact {{small\|Osaka, Japan}} \| align=center \| January 24, 2010 \| align=center \| 1,189 days \| {{small\|1. def. Shigetoshi Iwase at Deep 50 Impact on October 24, 2010 2. def. Taisuke Okuno at Deep 56 Impact on December 16, 2011}}
5 \| {{flagicon\|USA}} Dan Hornbuckle \| Deep 62 Impact {{small\|Tokyo, Japan}} \| align=center \| April 26, 2013 \| align=center \| 178 days \|
6 \| {{flagicon\|Japan}} Ryo Chonan \| Deep - Tribe Tokyo Night {{small\|Tokyo, Japan}} \| align=center \| October 20, 2013 \| align=center \| >1 day \|
colspan=6 align=center \|Chonan won the title in his retirement fight and retired as champion.{{cite web \|title=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 \|url=https://sports.yahoo.co.jp/column/detail/201310200006-spnavi \|website=sports.yahoo.co.jp \|access-date=13 July 2021}}
7 \| {{flagicon\|Japan}} Yuta Watanabe {{small\|def. Taisuke Okuno}} \| Deep 66 Impact {{small\|Tokyo, Japan}} \| align=center \| April 29, 2014 \| align=center \| 438 days \| {{small\|1. def. Yuya Shirai at Deep 70 Impact on December 20, 2014}}
8 \| {{flagicon\|Japan}} Keita Nakamura \| Deep - Cage Impact 2015 {{small\|Tokyo, Japan}} \| align=center \| July 20, 2015 \| align=center \| ? days \|
colspan=6 align=center \|Title vacant when Nakamura signed with the UFC.
9 \| {{flagicon\|Japan}} Ryuichiro Sumimura {{small\|def. Ken Hasegawa}} \| {{nowrap\|Deep - Cage Impact 2017: at Korakuen Hall}} {{small\|Tokyo, Japan}} \| align=center \| July 15, 2017 \| align=center \| 1775 days \| {{small\|1. def. Yoichiro Sato at Deep 83 Impact on April 28, 2018 2. def. Yuta Watanabe at Deep 94 Impact on March 1, 2020}}
— \| {{flagicon\|Japan}} Daichi Abe {{small\|{{nowrap\|def. Gota Yamashita for interim title}}}} \| Deep - 100 Impact - 20th Anniversary {{small\|Bunkyo, Tokyo, Japan}} \| align=center \| February 21, 2021 \| align=center \| 458 days \|
colspan=6 align=center \|Sumimura vacated the title in May 25, 2022 following an injury.
10 \| {{flagicon\|Japan}} Daichi Abe {{small\|{{nowrap\|promoted to undisputed champion}}}} \| — \| align=center \| May 25, 2022 \| align=center \| 262 days \|
11 \| {{flagicon\|Japan}} Shingo Suzuki \| Deep 112 Impact {{small\|Tokyo, Japan}} \| align=center \| February 11, 2023 \| align=center \| 519 days \|
12 \| {{flagicon\|Japan}} Yoichiro Sato \| Deep 120 Impact {{small\|Tokyo, Japan}} \| align=center \| July 14, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|07\|14}}}} days (incumbent) \|

class="wikitable" style="width:90%;"

style="width:2%;"|No.

Name

Event

style="width:9%;"|Date

style="width:9%;"|Reign
(total)

Defenses

| {{flagicon|Japan}} Jutaro Nakao
{{small| def. Daisuke Nakamura}}

| Deep 16 Impact
{{small|Tokyo, Japan}}

| align=center | October 30, 2004

| align=center | 840 days

{{small|1. def. Seichi Ikemoto at RealRhythm 3rd Stage on March 4, 2006}}

| {{flagicon|Japan}} Hidehiko Hasegawa

| Deep 28 Impact
{{small|Tokyo, Japan}}

| align=center | February 16, 2007

| align=center | 528 days

{{small|1. drew with Dong Hyun Kim at Deep 32 Impact on October 10, 2007}}

| {{flagicon|Japan}} Seichi Ikemoto

| Deep 36 Impact
{{small|Osaka, Japan}}

| align=center | July 27, 2008

| align=center | 547 days

{{small|1. def. Hidetaka Monma at Deep: 40 Impact on February 20, 2009}}

| {{flagicon|Japan}} Yuya Shirai

| Deep 45 Impact
{{small|Osaka, Japan}}

| align=center | January 24, 2010

| align=center | 1,189 days

{{small|1. def. Shigetoshi Iwase at Deep 50 Impact on October 24, 2010

2. def. Taisuke Okuno at Deep 56 Impact on December 16, 2011}}

| {{flagicon|USA}} Dan Hornbuckle

| Deep 62 Impact
{{small|Tokyo, Japan}}

| align=center | April 26, 2013

| align=center | 178 days

| {{flagicon|Japan}} Ryo Chonan

| Deep - Tribe Tokyo Night
{{small|Tokyo, Japan}}

| align=center | October 20, 2013

| align=center | >1 day

colspan=6 align=center |Chonan won the title in his retirement fight and retired as champion.{{cite web |title=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 |url=https://sports.yahoo.co.jp/column/detail/201310200006-spnavi |website=sports.yahoo.co.jp |access-date=13 July 2021}}

| {{flagicon|Japan}} Yuta Watanabe
{{small|def. Taisuke Okuno}}

| Deep 66 Impact
{{small|Tokyo, Japan}}

| align=center | April 29, 2014

| align=center | 438 days

{{small|1. def. Yuya Shirai at Deep 70 Impact on December 20, 2014}}

| {{flagicon|Japan}} Keita Nakamura

| Deep - Cage Impact 2015
{{small|Tokyo, Japan}}

| align=center | July 20, 2015

| align=center | ? days

colspan=6 align=center |Title vacant when Nakamura signed with the UFC.

| {{flagicon|Japan}} Ryuichiro Sumimura
{{small|def. Ken Hasegawa}}

| {{nowrap|Deep - Cage Impact 2017: at Korakuen Hall}}
{{small|Tokyo, Japan}}

| align=center | July 15, 2017

| align=center | 1775 days

{{small|1. def. Yoichiro Sato at Deep 83 Impact on April 28, 2018

2. def. Yuta Watanabe at Deep 94 Impact on March 1, 2020}}

—

| {{flagicon|Japan}} Daichi Abe
{{small|{{nowrap|def. Gota Yamashita for interim title}}}}

| Deep - 100 Impact - 20th Anniversary
{{small|Bunkyo, Tokyo, Japan}}

| align=center | February 21, 2021

| align=center | 458 days

colspan=6 align=center |Sumimura vacated the title in May 25, 2022 following an injury.

| {{flagicon|Japan}} Daichi Abe
{{small|{{nowrap|promoted to undisputed champion}}}}

| —

| align=center | May 25, 2022

| align=center | 262 days

| {{flagicon|Japan}} Shingo Suzuki

| Deep 112 Impact
{{small|Tokyo, Japan}}

| align=center | February 11, 2023

| align=center | 519 days

| {{flagicon|Japan}} Yoichiro Sato

| Deep 120 Impact
{{small|Tokyo, Japan}}

| align=center | July 14, 2024

| align=center | {{formatnum:{{age in days|2024|07|14}}}} days
(incumbent)

= Lightweight Championship =

::Weight limit: 70 kg (154.3 lb)

class="wikitable" style="width:90%;"
style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
1 \| {{flagicon\|Japan}} Dokonjonosuke Mishima {{small\| def. Tomomi "Taisho" Iwama}} \| Deep 18 Impact {{small\|Tokyo, Japan}} \| align=center \| February 12, 2005 \| align=center \| ? days \|
colspan=6 align=center \|Mishima vacated the title in February 2006, as he was unable to defend in the mandatory time period.{{cite web \|title=【Deep】4・11　雷暗「両目を眼窩底骨折させる」、帯谷も倍返し宣言！ \|url=https://gbring.com/sokuho/news/2006_02/0222_deep_02.htm \|website=gbring.com \|access-date=13 July 2021}}
2 \| {{flagicon\|Japan}} Nobuhiro Obiya {{small\| def. Ryan Bow}} \| Deep 24 Impact {{small\|Tokyo, Japan}} \| align=center \| April 11, 2006 \| align=center \| 312 days \|
3 \| {{flagicon\|Japan}} Kazunori Yokota \| Deep 28 Impact {{small\|Tokyo, Japan}} \| align=center \| February 16, 2007 \| align=center \| 459 days \|
4 \| {{flagicon\|South Korea}} Bang Seung-hwan \| Deep 35 Impact {{small\|Tokyo, Japan}} \| align=center \| May 19, 2008 \| align=center \| ? days \|
colspan=6 align=center \|Bang vacated the title in October 2008.
5 \| {{flagicon\|Japan}} Katsunori Kikuno {{small\|def. Koichiro Matsumoto}} \| Deep: 41 Impact {{small\|Tokyo, Japan}} \| align=center \| April 16, 2009 \| align=center \| 863 days \| {{small\|1. def. Nobuhiro Obiya at Deep 50 Impact on October 24, 2010}}
6 \| {{flagicon\|Japan}} Mizuto Hirota \| Deep 55 Impact {{small\|Tokyo, Japan}} \| align=center \| August 26, 2011 \| align=center \| ? days \| {{small\|1. def. Seichi Ikemoto at Deep 57 Impact on February 18, 2012}}
colspan=6 align=center \|Hirota vacated the title in April 2012.[http://uwfiteam.com/news/2012-04-08-3427 "Deep Lightweight Champion vacated the Title"]
7 \| {{flagicon\|Japan}} Daisuke Nakamura {{small\|def. Yasuaki Kishimoto}} \| Deep 58 Impact {{small\|Tokyo, Japan}} \| align=center \| June 15, 2012 \| align=center \| 326 days \| {{small\|1. def. Takafumi Ito at Deep 60 Impact on October 19, 2012}}{{cn\|date=December 2021}}
8 \| {{flagicon\|Japan}} Satoru Kitaoka \| Deep 62 Impact {{small\|Tokyo, Japan}} \| align=center \| April 26, 2013 \| align=center \| 2,011 days \| {{small\|1. def. Naoto Miyazaki at Deep 66 Impact on April 29, 2014 2. def. Yoshiyuki Yoshida at Deep Dream Impact: Omisoka Special on December 31, 2014 3. def. Yuki Okano at Deep Cage Impact 2015 on Jul 20, 2015 4. def. Kota Shimoishi at Deep 76 Impact on June 26, 2016}}
9 \| {{flagicon\|Japan}} Koji Takeda \| Deep 86 Impact {{small\|Tokyo, Japan}} \| align=center \| October 27, 2018 \| align=center \| 1,235 days \| {{small\|1. def. Juri Ohara at Deep 82 Impact on October 22, 2019 2. def. Juri Ohara at Deep 93 Impact on December 15, 2019}}
— \| {{flagicon\|Japan}} Juri Ohara {{small\|def. Ryota Oki for interim title}} \| Deep 102 Impact {{small\|Tokyo, Japan}} \| align=center \| July 4, 2021 \| align=center \| 227 days \|
colspan=6 align=center \|Takeda vacated the belt on March 15, 2022.{{cite web \|title=【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） \|url=https://efight.jp/news-20220315_957799 \|website=efight.jp \|access-date=15 March 2022}}
10 \| {{flagicon\|Japan}} Juri Ohara {{small\|{{nowrap\|promoted to undisputed champion}}}} \| align=center \| — \| align=center \| March 15, 2022 \| align=center \| 552 days \| {{small\|1. def. Yuma Ishizuka at Deep 108 Impact on Jul 10, 2022 2. def. Hiroto Uesako at Deep 113 Impact on May 7, 2023}}
11 \| {{flagicon\|KOR}} Lee Song-ha \| align=center \| Deep 115 Impact: Deep Vs. Black Combat 2 {{small\|Tokyo, Japan}} \| align=center \| September 18, 2023 \| align=center \| 173 days \|
12 \| {{flagicon\|JPN}} Kimihiro Eto \| Deep 118 Impact {{small\|Tokyo, Japan}} \| align=center \| March 9, 2024 \| align=center \| 191 days \|
13 \| {{flagicon\|JPN}} Shunta Nomura \| Deep 121 Impact {{small\|Tokyo, Japan}} \| align=center \| September 16, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|09\|16}}}} days (incumbent) \|

class="wikitable" style="width:90%;"

style="width:2%;"|No.

Name

Event

style="width:9%;"|Date

style="width:9%;"|Reign
(total)

Defenses

| {{flagicon|Japan}} Dokonjonosuke Mishima
{{small| def. Tomomi "Taisho" Iwama}}

| Deep 18 Impact
{{small|Tokyo, Japan}}

| align=center | February 12, 2005

| align=center | ? days

colspan=6 align=center |Mishima vacated the title in February 2006, as he was unable to defend in the mandatory time period.{{cite web |title=【Deep】4・11　雷暗「両目を眼窩底骨折させる」、帯谷も倍返し宣言！ |url=https://gbring.com/sokuho/news/2006_02/0222_deep_02.htm |website=gbring.com |access-date=13 July 2021}}

| {{flagicon|Japan}} Nobuhiro Obiya
{{small| def. Ryan Bow}}

| Deep 24 Impact
{{small|Tokyo, Japan}}

| align=center | April 11, 2006

| align=center | 312 days

| {{flagicon|Japan}} Kazunori Yokota

| Deep 28 Impact
{{small|Tokyo, Japan}}

| align=center | February 16, 2007

| align=center | 459 days

| {{flagicon|South Korea}} Bang Seung-hwan

| Deep 35 Impact
{{small|Tokyo, Japan}}

| align=center | May 19, 2008

| align=center | ? days

colspan=6 align=center |Bang vacated the title in October 2008.

| {{flagicon|Japan}} Katsunori Kikuno
{{small|def. Koichiro Matsumoto}}

| Deep: 41 Impact
{{small|Tokyo, Japan}}

| align=center | April 16, 2009

| align=center | 863 days

{{small|1. def. Nobuhiro Obiya at Deep 50 Impact on October 24, 2010}}

| {{flagicon|Japan}} Mizuto Hirota

| Deep 55 Impact
{{small|Tokyo, Japan}}

| align=center | August 26, 2011

| align=center | ? days

{{small|1. def. Seichi Ikemoto at Deep 57 Impact on February 18, 2012}}

colspan=6 align=center |Hirota vacated the title in April 2012.[http://uwfiteam.com/news/2012-04-08-3427 "Deep Lightweight Champion vacated the Title"]

| {{flagicon|Japan}} Daisuke Nakamura
{{small|def. Yasuaki Kishimoto}}

| Deep 58 Impact
{{small|Tokyo, Japan}}

| align=center | June 15, 2012

| align=center | 326 days

{{small|1. def. Takafumi Ito at Deep 60 Impact on October 19, 2012}}{{cn|date=December 2021}}

| {{flagicon|Japan}} Satoru Kitaoka

| Deep 62 Impact
{{small|Tokyo, Japan}}

| align=center | April 26, 2013

| align=center | 2,011 days

{{small|1. def. Naoto Miyazaki at Deep 66 Impact on April 29, 2014

2. def. Yoshiyuki Yoshida at Deep Dream Impact: Omisoka Special on December 31, 2014

3. def. Yuki Okano at Deep Cage Impact 2015 on Jul 20, 2015

4. def. Kota Shimoishi at Deep 76 Impact on June 26, 2016}}

| {{flagicon|Japan}} Koji Takeda

| Deep 86 Impact
{{small|Tokyo, Japan}}

| align=center | October 27, 2018

| align=center | 1,235 days

{{small|1. def. Juri Ohara at Deep 82 Impact on October 22, 2019

2. def. Juri Ohara at Deep 93 Impact on December 15, 2019}}

—

| {{flagicon|Japan}} Juri Ohara
{{small|def. Ryota Oki for interim title}}

| Deep 102 Impact
{{small|Tokyo, Japan}}

| align=center | July 4, 2021

| align=center | 227 days

colspan=6 align=center |Takeda vacated the belt on March 15, 2022.{{cite web |title=【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） |url=https://efight.jp/news-20220315_957799 |website=efight.jp |access-date=15 March 2022}}

| {{flagicon|Japan}} Juri Ohara
{{small|{{nowrap|promoted to undisputed champion}}}}

| align=center | —

| align=center | March 15, 2022

| align=center | 552 days

{{small|1. def. Yuma Ishizuka at Deep 108 Impact on Jul 10, 2022

2. def. Hiroto Uesako at Deep 113 Impact on May 7, 2023}}

| {{flagicon|KOR}} Lee Song-ha

| align=center | Deep 115 Impact: Deep Vs. Black Combat 2
{{small|Tokyo, Japan}}

| align=center | September 18, 2023

| align=center | 173 days

| {{flagicon|JPN}} Kimihiro Eto

| Deep 118 Impact
{{small|Tokyo, Japan}}

| align=center | March 9, 2024

| align=center | 191 days

| {{flagicon|JPN}} Shunta Nomura

| Deep 121 Impact
{{small|Tokyo, Japan}}

| align=center | September 16, 2024

| align=center | {{formatnum:{{age in days|2024|09|16}}}} days
(incumbent)

= Featherweight Championship =

::Weight limit: 65 kg (143.3 lb)

class="wikitable" style="width:90%;"
style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
1 \| {{flagicon\|Japan}} Masakazu Imanari {{small\| def. Yoshiro Maeda}} \| Deep 22 Impact {{small\|Tokyo, Japan}} \| align=center \| December 2, 2005 \| align=center \| 900 days \| {{small\|1. def. Tsuyoshi Yamazaki at Deep 26 Impact on Oct 10, 2006}}
2 \| {{nowrap\|{{flagicon\|Japan}} Dokonjonosuke Mishima}} \| Deep 35 Impact {{small\|Tokyo, Japan}} \| align=center \| May 19, 2008 \| align=center \| 462 days \|
3 \| {{flagicon\|Japan}} Takafumi Otsuka \| Deep: 43 Impact {{small\|Tokyo, Japan}} \| align=center \| August 23, 2009 \| align=center \| 315 days \|
4 \| {{flagicon\|Japan}} Koichiro Matsumoto \| Deep 48 Impact {{small\|Tokyo, Japan}} \| align=center \| July 3, 2010 \| align=center \| 420 days \| {{small\|1. def. Tatsunao Nagakura at Deep 55 Impact on Aug 26, 2011}}
colspan=6 align=center \|Matsumoto retired on August 26, 2011, thereby vacating the title.{{cite web \|title=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 \|url=https://miruhon.net/54661 \|website=miruhon.net \|access-date=13 July 2021}}
5 \| {{flagicon\|Japan}} Kazunori Yokota {{small\|def. Hideki Kadowaki}} \| Deep 57 Impact {{small\|Tokyo, Japan}} \| align=center \| February 18, 2012 \| align=center \| ? days \| {{small\|1. def. Katsunori Tsuda at Deep 66 Impact on Apr 29, 2014}}
colspan=6 align=center \|Yokota vacated the title in May 2016 when he left to compete for ONE Championship.{{cite web \|title=【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」 \|url=https://mmaplanet.jp/57125 \|website=mmaplanet.jp \|access-date=13 July 2021}}
6 \| {{flagicon\|Japan}} Masakazu Imanari {{small\|(2)}} {{small\|def. Tatsunao Nagakura}} \| Deep Cage Impact 2016: Deep vs. WSOF-GC {{small\|Tokyo, Japan}} \| align=center \| December 17, 2016 \| align=center \| ? days \|
colspan=6 align=center \|Imanari vacated the title for unknown reasons.
7 \| {{flagicon\|Japan}} Hiroto Uesako {{small\|def. Koichi Ishizuka}} \| Deep Cage Impact 2017: At Korakuen Hall {{small\|Tokyo, Japan}} \| align=center \| July 15, 2017 \| align=center \| 162 days \|
8 \| {{flagicon\|Japan}} Takahiro Ashida \| Deep 81 Impact {{small\|Tokyo, Japan}} \| align=center \| December 23, 2017 \| align=center \| 309 days \|
9 \| {{flagicon\|Japan}} Satoshi Yamasu \| Deep 86 Impact {{small\|Tokyo, Japan}} \| align=center \| October 27, 2018 \| align=center \| 695 days \| {{small\|1. def. Daiki Hata at Deep 89 Impact on May 12, 2019}}
10 \| {{flagicon\|Japan}} Juntaro Ushiku \| Deep 97 Impact {{small\|Tokyo, Japan}} \| align=center \| September 20, 2020 \| align=center \| 1189 days \| {{small\|1. def. Daisuke Nakamura at Deep 102 Impact on July 4, 2021 2. def. Kouya Kanda at Deep 105 Impact on December 12, 2021}}
— \| {{flagicon\|Japan}} Kouya Kanda {{small\|{{nowrap\|def. Hiroto Gomyo for interim title}}}} \| Deep 112 Impact {{small\|Tokyo, Japan}} \| align=center \| February 11, 2023 \| align=center \| 313 days \|
colspan=6 align=center \|Ushiku vacated the title on December 21, 2023, when he started competing at a lower weight class.{{cite web \|title=【Deep】フェザー級王者・牛久絢太郎がバンタム級転向でベルト返上、暫定王者・神田コウヤが正規王者に。2024年は3月9日（土）後楽園大会から開幕 \|url=https://gonkaku.jp/articles/15727 \|website=gonkaku.jp \|access-date=December 21, 2023}}
11 \| {{flagicon\|Japan}} Kouya Kanda {{small\|{{nowrap\|promoted to undisputed champion}}}} \| — \| align=center \| December 21, 2023 \| align=center \| 79 days \|
12 \| {{flagicon\|Japan}} Jin Aoi \| Deep 118 Impact {{small\|Tokyo, Japan}} \| align=center \| March 9, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|03\|09}}}} days (incumbent) \|

class="wikitable" style="width:90%;"

style="width:2%;"|No.

Name

Event

style="width:9%;"|Date

style="width:9%;"|Reign
(total)

Defenses

| {{flagicon|Japan}} Masakazu Imanari
{{small| def. Yoshiro Maeda}}

| Deep 22 Impact
{{small|Tokyo, Japan}}

| align=center | December 2, 2005

| align=center | 900 days

{{small|1. def. Tsuyoshi Yamazaki at Deep 26 Impact on Oct 10, 2006}}

| {{nowrap|{{flagicon|Japan}} Dokonjonosuke Mishima}}

| Deep 35 Impact
{{small|Tokyo, Japan}}

| align=center | May 19, 2008

| align=center | 462 days

| {{flagicon|Japan}} Takafumi Otsuka

| Deep: 43 Impact
{{small|Tokyo, Japan}}

| align=center | August 23, 2009

| align=center | 315 days

| {{flagicon|Japan}} Koichiro Matsumoto

| Deep 48 Impact
{{small|Tokyo, Japan}}

| align=center | July 3, 2010

| align=center | 420 days

{{small|1. def. Tatsunao Nagakura at Deep 55 Impact on Aug 26, 2011}}

colspan=6 align=center |Matsumoto retired on August 26, 2011, thereby vacating the title.{{cite web |title=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 |url=https://miruhon.net/54661 |website=miruhon.net |access-date=13 July 2021}}

| {{flagicon|Japan}} Kazunori Yokota
{{small|def. Hideki Kadowaki}}

| Deep 57 Impact
{{small|Tokyo, Japan}}

| align=center | February 18, 2012

| align=center | ? days

{{small|1. def. Katsunori Tsuda at Deep 66 Impact on Apr 29, 2014}}

colspan=6 align=center |Yokota vacated the title in May 2016 when he left to compete for ONE Championship.{{cite web |title=【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」 |url=https://mmaplanet.jp/57125 |website=mmaplanet.jp |access-date=13 July 2021}}

| {{flagicon|Japan}} Masakazu Imanari {{small|(2)}}
{{small|def. Tatsunao Nagakura}}

| Deep Cage Impact 2016: Deep vs. WSOF-GC
{{small|Tokyo, Japan}}

| align=center | December 17, 2016

| align=center | ? days

colspan=6 align=center |Imanari vacated the title for unknown reasons.

| {{flagicon|Japan}} Hiroto Uesako
{{small|def. Koichi Ishizuka}}

| Deep Cage Impact 2017: At Korakuen Hall
{{small|Tokyo, Japan}}

| align=center | July 15, 2017

| align=center | 162 days

| {{flagicon|Japan}} Takahiro Ashida

| Deep 81 Impact
{{small|Tokyo, Japan}}

| align=center | December 23, 2017

| align=center | 309 days

| {{flagicon|Japan}} Satoshi Yamasu

| Deep 86 Impact
{{small|Tokyo, Japan}}

| align=center | October 27, 2018

| align=center | 695 days

| {{flagicon|Japan}} Juntaro Ushiku

| Deep 97 Impact
{{small|Tokyo, Japan}}

| align=center | September 20, 2020

| align=center | 1189 days

{{small|1. def. Daisuke Nakamura at Deep 102 Impact on July 4, 2021

2. def. Kouya Kanda at Deep 105 Impact on December 12, 2021}}

—

| {{flagicon|Japan}} Kouya Kanda
{{small|{{nowrap|def. Hiroto Gomyo for interim title}}}}

| Deep 112 Impact
{{small|Tokyo, Japan}}

| align=center | February 11, 2023

| align=center | 313 days

colspan=6 align=center |Ushiku vacated the title on December 21, 2023, when he started competing at a lower weight class.{{cite web |title=【Deep】フェザー級王者・牛久絢太郎がバンタム級転向でベルト返上、暫定王者・神田コウヤが正規王者に。2024年は3月9日（土）後楽園大会から開幕 |url=https://gonkaku.jp/articles/15727 |website=gonkaku.jp |access-date=December 21, 2023}}

| {{flagicon|Japan}} Kouya Kanda
{{small|{{nowrap|promoted to undisputed champion}}}}

| —

| align=center | December 21, 2023

| align=center | 79 days

| {{flagicon|Japan}} Jin Aoi

| Deep 118 Impact
{{small|Tokyo, Japan}}

| align=center | March 9, 2024

| align=center | {{formatnum:{{age in days|2024|03|09}}}} days
(incumbent)

= Bantamweight Championship =

::Weight limit: 60 kg (132.3 lb)

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Masakazu Imanari {{small\|def. Hiroshi Umemura}} \| Deep 37 Impact {{small\|Tokyo, Japan}} \| align=center \| August 17, 2008 \| align=center \| 1,018 days \| {{small\|1. def. Tomohiko Hori at Deep: 43 Impact on August 23, 2009 2. def. Tomoya Miyashita at Deep 49 Impact on August 27, 2010}}
colspan=6 align=center \|Imanari vacated the title on May 31, 2011.
2 \| {{flagicon\|Japan}} Takafumi Otsuka {{small\|def. Hiroshi Nakamura}} \| Deep 54 Impact {{small\|Tokyo, Japan}} \| align=center \| June 24, 2011 \| align=center \| 240 days \|
3 \| {{flagicon\|Japan}} Yoshiro Maeda \| Deep 57 Impact {{small\|Tokyo, Japan}} \| align=center \| February 18, 2012 \| align=center \| 434 days \| {{small\|1. def. Tatsumitsu Wada at Deep 59 Impact on August 18, 2012}}
4 \| {{flagicon\|Japan}} Daiki Hata \| Deep 62 Impact {{small\|Tokyo, Japan}} \| align=center \| April 26, 2013 \| align=center \| ? days \|
colspan=6 align=center \|Hata vacated the title.
5 \| {{flagicon\|Japan}} Takafumi Otsuka {{small\|(2)}} {{small\|def. Kenji Osawa}} \| Deep 66 Impact {{small\|Tokyo, Japan}} \| align=center \| April 29, 2014 \| align=center \| ? days \| {{small\|1. def. Toshinori Tsunemura at Deep 69 Impact on October 26, 2014 2. def. Toshiaki Kitada at Deep 72 Impact on May 16, 2015 3. def. Koichi Ishizuka at Deep Cage Impact 2017 on May 13, 2017}}
colspan=6 align=center \|Otsuka vacated the title for unknown reasons.
6 \| {{flagicon\|South Korea}} Son Jin-soo {{small\|def. Toshiaki Kitada}} \| Deep 83 Impact {{small\|Tokyo, Japan}} \| align=center \| April 28, 2018 \| align=center \| ? days \|
colspan=6 align=center \|Son vacated the title in 2018 when he signed with UFC.
7 \| {{flagicon\|Japan}} Yuki Motoya {{small\|def. Makoto Kamaya}} \| Deep 86 Impact {{small\|Tokyo, Japan}} \| align=center \| October 27, 2018 \| align=center \| 134 days \|
8 \| {{flagicon\|USA}} Victor Henry \| Deep 88 Impact {{small\|Tokyo, Japan}} \| align=center \| March 9, 2019 \| align=center \| 1,619 days \|
— \| {{flagicon\|JPN}} Kosuke Terashima {{small\|{{nowrap\|def. Daiki Hata for interim title}}}} \| Deep 107 Impact {{small\|Tokyo, Japan}} \| align=center \| May 8, 2022 \| align=center \| 215 days
— \| {{flagicon\|JPN}} Koichi Ishizuka {{small\|{{nowrap\|def. Kosuke Terashima for interim title}}}} \| Deep 110 Impact {{small\|Tokyo, Japan}} \| align=center \| November 12, 2022 \| align=center \| 276 days \|
colspan=6 align=center \|Henry vacated the title on August 15, 2023 due to being unable to defend his title while signed with UFC.{{cite web\|author=Takumi Nakamura \|date=2023-08-15\|title=【DEEP】ビクター・ヘンリーが王座返上。石司晃一がバンタム級正規王者に。ヘンリーはバシャラット戦へ\|url=https://mmaplanet.jp/150112\|website=MMAPlanet \|access-date=2024-09-17}}
9 \| {{flagicon\|Japan}} Koichi Ishizuka {{small\|{{nowrap\|promoted to undisputed champion}}}} \| align=center \| — \| align=center \| August 15, 2023 \| align=center \| 34 days \|
10 \| {{flagicon\|KOR}} Yoo Soo-young \| Deep 115 Impact: Deep Vs. Black Combat 2 {{small\|Tokyo, Japan}} \| align=center \| September 18, 2023 \| align=center \| 194 days \|
colspan=6 align=center \|Yoo vacated the title on March 30, 2024.{{cite web\|author=정성욱 \|date=2024-04-01\|title=유수영 딥2001 밴텀급 타이틀 반납...로드 투 UFC 진출 때문? \|url=https://www.rank5.kr/news/articleView.html?idxno=11815 \|website=rank5.kr \|access-date=2024-07-16}}
11 \| {{flagicon\|JPN}} Ryuya Fukuda {{small\|def. Kenta Takizawa}} \| Deep 121 Impact {{small\|Tokyo, Japan}} \| align=center \| September 16, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|09\|16}}}} days (incumbent) \|

= Flyweight Championship =

::Weight limit: 56 kg (123.4 lb)

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Yuki Motoya {{small\| def. Akira Kibe}} \| Deep Nagoya Impact {{small\|Nagoya, Aichi, Japan}} \| align=center \| July 22, 2012 \| align=center \| 400 days \|
2 \| {{flagicon\|Japan}} Tatsumitsu Wada \| Deep 63 Impact {{small\|Tokyo, Japan}} \| align=center \| August 25, 2013 \| align=center \| 364 days \|
3 \| {{flagicon\|Japan}} Yuki Motoya {{small\|(2)}} \| Deep 68 Impact {{small\|Tokyo, Japan}} \| align=center \| August 23, 2014 \| align=center \| ? days \| {{small\|1. def. Kojima Sota at Deep 73 Impact on October 17, 2015}}
colspan=6 align=center \|Motoya vacated the title in April 2016.{{cite web \|title=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 \|url=http://battle-news.com/?p=22192 \|website=battle-news.com \|access-date=13 July 2021}}
4 \| {{nowrap\|{{flagicon\|Japan}} Tatsumitsu Wada {{small\|(2)}}}} {{small\|def. Yuya Shibata}} \| Deep 76 Impact {{small\|Tokyo, Japan}} \| align=center \| June 26, 2016 \| align=center \| 1,342 days \| {{small\|1. def. Makoto Takahashi at Deep 83 Impact on April 28, 2018}}
— \| {{flagicon\|Japan}} Makoto Takahashi {{small\|{{nowrap\|def. Yuya Shibata for interim title}}}} \| Deep 90 Impact {{small\|Tokyo, Japan}} \| align=center \| June 29, 2019 \| align=center \| 246 days \|
colspan=6 align=center \|Wada vacated the title on February 28, 2020.{{cite web\|date=2024-02-28\|title=DEEP 3.1 後楽園ホール：神龍誠の試合、新型コロナウイルスの影響で韓国の選手が来日できず中止に。試合順発表\|url=https://www.boutreview.com/3/news/item_37675.html\|website=Bout Review \|access-date=2024-09-17}}
5 \| {{flagicon\|Japan}} Makoto Takahashi {{small\|promoted to undisputed champion.}} \| — \| align=center \| February 28, 2020 \| align=center \| 1,490 days \| {{small\|1. def. Yamato Fujita in unification bout at Deep 107 Impact on May 8, 2022}}
— \| {{flagicon\|Japan}} Yamato Fujita {{small\|def. Kazuki Shibuya for interim title}} \| Deep 100 Impact - 20th Anniversary {{small\|Tokyo, Japan}} \| align=center \| February 21, 2021 \| align=center \| 441 days \| {{small\|1. def. Yuki Ito at Deep 103 Impact on September 23, 2021}}
— \| {{flagicon\|Japan}} Ryuya Fukuda {{small\|def. Ryosuke Honda for interim title}} \| Deep 113 Impact {{small\|Tokyo, Japan}} \| align=center \| May 7, 2023 \| align=center \| 327 days \|
colspan=6 align=center \|Takahashi vacated the title on March 29, 2024 to focus on competing in RIZIN.{{cite web\|author=정성욱 \|date=2024-03-29\|title=神龍誠がDEEPフライ級王座返上、福田龍彌が暫定王者から正規王者に。神龍「このベルトにたくさん成長させてもらった」、福田「統一戦したかったな」\|url=https://www.boutreview.com/3/news/item_106566.html\|website=Bout Review \|access-date=2024-07-16}}
6 \| {{flagicon\|Japan}} Ryuya Fukuda {{small\|promoted to undisputed champion.}} \| — \| align=center \| March 29, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|03\|29}}}} days (incumbent) \|

= Strawweight Championship =

::Weight limit: 52 kg (114.6 lb)

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Kanta Sato {{small\|def. Kojima Sota}} \| Deep Cage Impact 2016: Korakuen Hall {{small\|Tokyo, Japan}} \| align=center \| October 18, 2016 \| align=center \| 334 days \|
2 \| {{flagicon\|Japan}} Haruo Ochi \| Deep 79 Impact {{small\|Tokyo, Japan}} \| align=center \| September 16, 2017 \| align=center \| 1,073 days \| {{small\|1. def. Yuya Shibata at Deep Cage Impact in Osaka 2018 on April 8, 2018 2. def. Namiki Kawahara at Deep 88 Impact on March 9, 2019}}
3 \| {{nowrap\|{{flagicon\|Japan}} Namiki Kawahara}} \| Deep 96 Impact {{small\|Tokyo, Japan}} \| align=center \| August 23, 2020 \| align=center \| 1,372 days \|
— \| {{flagicon\|Japan}} Haruo Ochi {{small\|{{nowrap\|def. Yusuke Uehara for interim title}}}} \| Deep 117 Impact {{small\|Tokyo, Japan}} \| align=center \| December 10, 2023 \| align=center \| 168 days \|
4 \| {{flagicon\|Japan}} Haruo Ochi {{small\|(2)}} \| DEEP Tokyo Impact 2024 3rd Round {{small\|Tokyo, Japan}} \| align=center \| May 26, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|05\|26}}}} days (incumbent) \|

Women's championship history

= Women's Openweight Championship =

class="wikitable" style="width:90%;"
style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
1 \| {{nowrap\|{{flagicon\|USA}} Amanda Lucas}} {{small\|def. Yumiko Hotta}} \| Deep 57 Impact {{small\|{{nowrap\|Tokyo, Japan}}}} \| align=center \| February 18, 2012 \| align=center \| 3,918 daysWhile the title hasn't been active since 2012 and Lucas isn't competing anymore, Deep never announced the vacancy of the title. \|

class="wikitable" style="width:90%;"

style="width:2%;"|No.

Name

Event

style="width:9%;"|Date

style="width:9%;"|Reign
(total)

Defenses

| {{nowrap|{{flagicon|USA}} Amanda Lucas}}
{{small|def. Yumiko Hotta}}

| Deep 57 Impact
{{small|{{nowrap|Tokyo, Japan}}}}

| align=center | February 18, 2012

| align=center | 3,918 daysWhile the title hasn't been active since 2012 and Lucas isn't competing anymore, Deep never announced the vacancy of the title.

= Women's Atomweight Championship =

::Weight limit: 48 kg (105.8 lb)

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Hisae Watanabe {{small\|def. Satoko Shinashi}} \| Deep 25 Impact {{small\|Tokyo, Japan}} \| align=center \| August 4, 2006 \| align=center \| 367 days \|
2 \| {{nowrap\|{{flagicon\|Japan}} Miku Matsumoto}} \| Deep 31 Impact {{small\|{{nowrap\|Tokyo, Japan}}}} \| align=center \| August 5, 2007 \| align=center \| 987 days \| {{small\|1. def. Misaki Takimoto at Deep 37 Impact on August 17, 2008 2. def. Lisa Ward at Deep TOYAMA Impact on June 28, 2009}}
colspan=6 align=center \|Matsumoto vacated the title on April 17, 2010, following her retirement from the sport.{{cite web \|last1=Nelson \|first1=Chris \|title=Miku Matsumoto Announces Retirement \|url=https://www.bloodyelbow.com/2010/2/28/1330179/miku-matsumoto-announces-retirement \|website=bloodyelbow.com \|access-date=13 July 2021}}

= Women's Microweight Championship =

::Weight limit: 45 kg (99.2 lb)

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Satoko Shinashi {{small\|{{nowrap\|def. Sachiko Yamamoto}}}} \| Deep 34 Impact {{small\|{{nowrap\|Tokyo, Japan}}}} \| align=center \| February 22, 2008 \| align=center \| 3,962 daysWhile the title hasn't been active since 2018, Deep never announced the vacancy of the title. \|
colspan=6 align=center \|Shinashi vacated the title in 2018.
2 \| {{flagicon\|Japan}} Saori Oshima {{small\|def. Mizuki Oshiro}} \| Deep 97 Impact {{small\|Tokyo, Japan}} \| align=center \| September 20, 2020 \| align=center \| {{formatnum:{{age in days\|2020\|09\|20}}}} days (incumbent) \| {{small\|1. def. Mizuki Furuse at Deep 110 Impact on November 12, 2022}} {{small\|2. def. Aya Murakami at Deep Jewels 45 on May 26, 2024}}

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Yusuke Kawaguchi {{small\|def. Shunsuke Inoue}} \| Deep: Megaton Grand Prix 2008 Finals {{small\|Tokyo, Japan}} \| align=center \| August 2, 2008 \| align=center \| 870 days \| {{small\|1. def Baru Harn at Deep 38 Impact on October 23, 2008 2. def. Seigo Mizuguchi at Deep: 44 Impact on October 10, 2009 3. def. Roque Martinez at Deep: Cage Impact 2009 on December 19, 2009}}
colspan=6 align=center \|Kawaguchi vacated the title on December 20, 2010.{{cite web \|title=【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 \|url=https://gbring.com/sokuho/news/2010_12/1220_deep.htm \|website=gbring.com \|access-date=13 July 2021}}
2 \| {{flagicon\|Japan}} Kazuhisa Tazawa {{small\|def. Yuji Sakuragi}} \| Deep 52 Impact {{small\|Tokyo, Japan}} \| align=center \| February 25, 2011 \| align=center \| 182 days \|
3 \| {{flagicon\|Georgia}} Levan Razmadze \| Deep 55 Impact {{small\|Tokyo, Japan}} \| align=center \| August 26, 2011 \| align=center \| 327 days \| {{small\|1. def. Ryuta Noji at Deep 57 Impact on February 18, 2012}}
colspan=6 align=center \|Razmadze vacated the title in July 4, 2012.
4 \| {{flagicon\|Japan}} Ken Hasegawa {{small\|def. Seigo Mizuguchi}} \| Deep 61 Impact {{small\|Tokyo, Japan}} \| align=center \| February 16, 2013 \| align=center \| 970 days \| {{small\|1. def. Hirohide Fujinuma at Deep 63 Impact on August 25, 2013 2. def. Kazuhiro Nakamura at Deep 65 Impact on March 22, 2014}}
colspan=6 align=center \|Hasegawa vacated the title on October 14, 2015 when he started competing at a lower weight class.{{cite web \|title=【Deep】無敗の長谷川賢がミドル級転向「RIZINに出たい」 \|url=https://efight.jp/news-20151014_219761 \|website=efight.jp \|access-date=13 July 2021}}
5 \| {{flagicon\|India}} Jaideep Singh {{small\|def. Carlos Toyota}} \| Deep 73 Impact {{small\|Tokyo, Japan}} \| align=center \| October 17, 2015 \| align=center \| 637 days \|
6 \| {{flagicon\|Guam}} Roque Martinez \| Deep Cage Impact 2017: At Korakuen Hall {{small\|Tokyo, Japan}} \| align=center \| July 15, 2017 \| align=center \| {{formatnum:{{age in days\|2017\|07\|15}}}} days (incumbent) \| {{small\|1. def. Ryo Sakai at Deep 88 Impact on March 9, 2019 2. def. Seigo Mizuguchi at Deep 93 Impact on December 15, 2019 3. def. interim champion Ryo Sakai at Deep 118 Impact on March 9, 2024}}
— \| {{flagicon\|JPN}} Ryo Sakai {{small\|def. Yukinori Akazawa for interim title}} \| Deep 110 Impact {{small\|Tokyo, Japan}} \| align=center \| November 12, 2022 \| align=center \| 483 days \|{{small\|1. def Tatsuya Mizuno at Deep 114 Impact on July 2, 2023.}}

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Ryuki Ueyama {{small\|def. Eiji Ishikawa}} \| Deep 5 Impact {{small\|Tokyo, Japan}} \| align=center \| June 9, 2002 \| align=center \| 914 days \| {{small\|1. drew with Masanori Suda at Deep 12 Impact on September 15, 2003}}
2 \| {{flagicon\|Japan}} Ryuta Sakurai \| Deep 17 Impact {{small\|Tokyo, Japan}} \| align=center \| December 8, 2004 \| align=center \| 425 days \|
3 \| {{flagicon\|Japan}} Ryo Chonan \| Deep 23 Impact {{small\|Tokyo, Japan}} \| align=center \| February 5, 2006 \| align=center \| 676 days \| {{small\|1. def. Ryuta Sakurai at Deep 28 Impact on February 16, 2007}}
colspan=6 align=center \|Chonan vacated the title on December 12, 2007.{{cite web \|title=【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！ \|url=https://gbring.com/sokuho/news/2007_12/1212_deep.htm \|website=gbring.com \|access-date=13 July 2021}}
4 \| {{flagicon\|Japan}} Yuichi Nakanishi {{small\|def. Riki Fukuda}} \| Deep 35 Impact {{small\|Tokyo, Japan}} \| align=center \| May 19, 2008 \| align=center \| 408 days \|
5 \| {{flagicon\|Japan}} Riki Fukuda \| Deep: 42 Impact {{small\|Tokyo, Japan}} \| align=center \| June 30, 2009 \| align=center \| 738 days \| {{small\|1. def. Ryuta Sakurai at Deep 49 Impact on August 27, 2010}}
colspan=6 align=center \|Fukuda vacated the title in July 8, 2011 due to being signed with the UFC.{{cite web \|title=【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 \|url=https://gbring.com/sokuho/news/2011_07/0708_deep_02.htm \|website=gbring.com \|access-date=13 July 2021}}
6 \| {{flagicon\|Japan}} Kazuhiro Nakamura {{small\|def. Choi Young}} \| Deep 61 Impact {{small\|Tokyo, Japan}} \| align=center \| February 16, 2013 \| align=center \| 673 days \|
7 \| {{flagicon\|Japan}} Yoshiyuki Nakanishi \| Deep 70 Impact {{small\|Tokyo, Japan}} \| align=center \| Decision 20, 2014 \| align=center \| 296 days \|
8 \| {{flagicon\|South Korea}} Choi Young \| Deep Cage Impact 2015 in Osaka {{small\|Osaka, Japan}} \| align=center \| October 11, 2015 \| align=center \| ? days \|
colspan=6 align=center \|Choi vacated the title in 2016 when he signed with Road FC.{{cite web \|title='돌아온 적당주의' 최영 "차정환이 갖고 있는 로드FC 벨트 원해" \|url=http://www.spotvnews.co.kr/?mod=news&act=articleView&idxno=49353 \|website=spotvnews.co.kr \|access-date=13 July 2021}}
9 \| {{flagicon\|Japan}} Tatsuya Mizuno {{small\|def. Taisuke Okuno}} \| Deep 82 Impact {{small\|Tokyo, Japan}} \| align=center \| February 24, 2018 \| align=center \| 1,227 days \|
10 \| {{flagicon\|Brazil}} João-Batista Yoshimura \| Deep 102 Impact {{small\|Tokyo, Japan}} \| align=center \| July 4, 2021 \| align=center \| {{formatnum:{{age in days\|2021\|07\|04}}}} days (incumbent) \|

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Masakazu Imanari {{small\|def. Hiroshi Umemura}} \| Deep 37 Impact {{small\|Tokyo, Japan}} \| align=center \| August 17, 2008 \| align=center \| 1,018 days \| {{small\|1. def. Tomohiko Hori at Deep: 43 Impact on August 23, 2009 2. def. Tomoya Miyashita at Deep 49 Impact on August 27, 2010}}
colspan=6 align=center \|Imanari vacated the title on May 31, 2011.
2 \| {{flagicon\|Japan}} Takafumi Otsuka {{small\|def. Hiroshi Nakamura}} \| Deep 54 Impact {{small\|Tokyo, Japan}} \| align=center \| June 24, 2011 \| align=center \| 240 days \|
3 \| {{flagicon\|Japan}} Yoshiro Maeda \| Deep 57 Impact {{small\|Tokyo, Japan}} \| align=center \| February 18, 2012 \| align=center \| 434 days \| {{small\|1. def. Tatsumitsu Wada at Deep 59 Impact on August 18, 2012}}
4 \| {{flagicon\|Japan}} Daiki Hata \| Deep 62 Impact {{small\|Tokyo, Japan}} \| align=center \| April 26, 2013 \| align=center \| ? days \|
colspan=6 align=center \|Hata vacated the title.
5 \| {{flagicon\|Japan}} Takafumi Otsuka {{small\|(2)}} {{small\|def. Kenji Osawa}} \| Deep 66 Impact {{small\|Tokyo, Japan}} \| align=center \| April 29, 2014 \| align=center \| ? days \| {{small\|1. def. Toshinori Tsunemura at Deep 69 Impact on October 26, 2014 2. def. Toshiaki Kitada at Deep 72 Impact on May 16, 2015 3. def. Koichi Ishizuka at Deep Cage Impact 2017 on May 13, 2017}}
colspan=6 align=center \|Otsuka vacated the title for unknown reasons.
6 \| {{flagicon\|South Korea}} Son Jin-soo {{small\|def. Toshiaki Kitada}} \| Deep 83 Impact {{small\|Tokyo, Japan}} \| align=center \| April 28, 2018 \| align=center \| ? days \|
colspan=6 align=center \|Son vacated the title in 2018 when he signed with UFC.
7 \| {{flagicon\|Japan}} Yuki Motoya {{small\|def. Makoto Kamaya}} \| Deep 86 Impact {{small\|Tokyo, Japan}} \| align=center \| October 27, 2018 \| align=center \| 134 days \|
8 \| {{flagicon\|USA}} Victor Henry \| Deep 88 Impact {{small\|Tokyo, Japan}} \| align=center \| March 9, 2019 \| align=center \| 1,619 days \|
— \| {{flagicon\|JPN}} Kosuke Terashima {{small\|{{nowrap\|def. Daiki Hata for interim title}}}} \| Deep 107 Impact {{small\|Tokyo, Japan}} \| align=center \| May 8, 2022 \| align=center \| 215 days
— \| {{flagicon\|JPN}} Koichi Ishizuka {{small\|{{nowrap\|def. Kosuke Terashima for interim title}}}} \| Deep 110 Impact {{small\|Tokyo, Japan}} \| align=center \| November 12, 2022 \| align=center \| 276 days \|
colspan=6 align=center \|Henry vacated the title on August 15, 2023 due to being unable to defend his title while signed with UFC.{{cite web\|author=Takumi Nakamura \|date=2023-08-15\|title=【DEEP】ビクター・ヘンリーが王座返上。石司晃一がバンタム級正規王者に。ヘンリーはバシャラット戦へ\|url=https://mmaplanet.jp/150112\|website=MMAPlanet \|access-date=2024-09-17}}
9 \| {{flagicon\|Japan}} Koichi Ishizuka {{small\|{{nowrap\|promoted to undisputed champion}}}} \| align=center \| — \| align=center \| August 15, 2023 \| align=center \| 34 days \|
10 \| {{flagicon\|KOR}} Yoo Soo-young \| Deep 115 Impact: Deep Vs. Black Combat 2 {{small\|Tokyo, Japan}} \| align=center \| September 18, 2023 \| align=center \| 194 days \|
colspan=6 align=center \|Yoo vacated the title on March 30, 2024.{{cite web\|author=정성욱 \|date=2024-04-01\|title=유수영 딥2001 밴텀급 타이틀 반납...로드 투 UFC 진출 때문? \|url=https://www.rank5.kr/news/articleView.html?idxno=11815 \|website=rank5.kr \|access-date=2024-07-16}}
11 \| {{flagicon\|JPN}} Ryuya Fukuda {{small\|def. Kenta Takizawa}} \| Deep 121 Impact {{small\|Tokyo, Japan}} \| align=center \| September 16, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|09\|16}}}} days (incumbent) \|

style="width:2%;"\|No.	Name	Event	style="width:9%;"\|Date	style="width:9%;"\|Reign (total)	Defenses
class="wikitable" style="width:90%;"
1 \| {{flagicon\|Japan}} Yuki Motoya {{small\| def. Akira Kibe}} \| Deep Nagoya Impact {{small\|Nagoya, Aichi, Japan}} \| align=center \| July 22, 2012 \| align=center \| 400 days \|
2 \| {{flagicon\|Japan}} Tatsumitsu Wada \| Deep 63 Impact {{small\|Tokyo, Japan}} \| align=center \| August 25, 2013 \| align=center \| 364 days \|
3 \| {{flagicon\|Japan}} Yuki Motoya {{small\|(2)}} \| Deep 68 Impact {{small\|Tokyo, Japan}} \| align=center \| August 23, 2014 \| align=center \| ? days \| {{small\|1. def. Kojima Sota at Deep 73 Impact on October 17, 2015}}
colspan=6 align=center \|Motoya vacated the title in April 2016.{{cite web \|title=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 \|url=http://battle-news.com/?p=22192 \|website=battle-news.com \|access-date=13 July 2021}}
4 \| {{nowrap\|{{flagicon\|Japan}} Tatsumitsu Wada {{small\|(2)}}}} {{small\|def. Yuya Shibata}} \| Deep 76 Impact {{small\|Tokyo, Japan}} \| align=center \| June 26, 2016 \| align=center \| 1,342 days \| {{small\|1. def. Makoto Takahashi at Deep 83 Impact on April 28, 2018}}
— \| {{flagicon\|Japan}} Makoto Takahashi {{small\|{{nowrap\|def. Yuya Shibata for interim title}}}} \| Deep 90 Impact {{small\|Tokyo, Japan}} \| align=center \| June 29, 2019 \| align=center \| 246 days \|
colspan=6 align=center \|Wada vacated the title on February 28, 2020.{{cite web\|date=2024-02-28\|title=DEEP 3.1 後楽園ホール：神龍誠の試合、新型コロナウイルスの影響で韓国の選手が来日できず中止に。試合順発表\|url=https://www.boutreview.com/3/news/item_37675.html\|website=Bout Review \|access-date=2024-09-17}}
5 \| {{flagicon\|Japan}} Makoto Takahashi {{small\|promoted to undisputed champion.}} \| — \| align=center \| February 28, 2020 \| align=center \| 1,490 days \| {{small\|1. def. Yamato Fujita in unification bout at Deep 107 Impact on May 8, 2022}}
— \| {{flagicon\|Japan}} Yamato Fujita {{small\|def. Kazuki Shibuya for interim title}} \| Deep 100 Impact - 20th Anniversary {{small\|Tokyo, Japan}} \| align=center \| February 21, 2021 \| align=center \| 441 days \| {{small\|1. def. Yuki Ito at Deep 103 Impact on September 23, 2021}}
— \| {{flagicon\|Japan}} Ryuya Fukuda {{small\|def. Ryosuke Honda for interim title}} \| Deep 113 Impact {{small\|Tokyo, Japan}} \| align=center \| May 7, 2023 \| align=center \| 327 days \|
colspan=6 align=center \|Takahashi vacated the title on March 29, 2024 to focus on competing in RIZIN.{{cite web\|author=정성욱 \|date=2024-03-29\|title=神龍誠がDEEPフライ級王座返上、福田龍彌が暫定王者から正規王者に。神龍「このベルトにたくさん成長させてもらった」、福田「統一戦したかったな」\|url=https://www.boutreview.com/3/news/item_106566.html\|website=Bout Review \|access-date=2024-07-16}}
6 \| {{flagicon\|Japan}} Ryuya Fukuda {{small\|promoted to undisputed champion.}} \| — \| align=center \| March 29, 2024 \| align=center \| {{formatnum:{{age in days\|2024\|03\|29}}}} days (incumbent) \|

List of Deep champions#Flyweight Championship

Current champions

= Men =

= Women =

Men's championship history

= Megatonweight Championship =

= Light Heavyweight Championship =

= Middleweight Championship =

= Welterweight Championship =

= Lightweight Championship =

= Featherweight Championship =

= Bantamweight Championship =

= Flyweight Championship =

= Strawweight Championship =

Women's championship history

= Women's Openweight Championship =

= Women's Atomweight Championship =

= Women's Microweight Championship =

Footnotes

See also

References

External links