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
Men
| Division | Champion | Since | Defenses |
|---|---|---|---|
| Megatonweight | August 17, 2025 | 0 | |
| Light Heavyweight | Vacant | March 9, 2019 | — |
| Middleweight | July 4, 2021 | 0 | |
| Welterweight | May 5, 2025 | 0 | |
| Lightweight | September 16, 2024 | 0 | |
| Featherweight | March 9, 2024 | 0 | |
| Bantamweight | September 16, 2024 | 1 | |
| Flyweight | August 17, 2025 | 0 | |
| Strawweight | May 26, 2024 | 0 |
Women
| Division | Champion | Since | Defenses |
|---|---|---|---|
| Openweight | February 18, 2012 | 0 | |
| Atomweight | Vacant | March 9, 2019 | — |
| Microweight | September 20, 2020 | 1 |
Men's championship history
Megatonweight Championship
- Weight limit: Unlimited
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Shunsuke Inoue |
Deep: Megaton Grand Prix 2008 Finals Tokyo, Japan |
August 2, 2008 | 870 days |
1. def Baru Harn at Deep 38 Impact on October 23, 2008 |
| Kawaguchi vacated the title on December 20, 2010.[1] | |||||
| 2 | def. Yuji Sakuragi |
Deep 52 Impact Tokyo, Japan |
February 25, 2011 | 182 days | |
| 3 | Deep 55 Impact Tokyo, Japan |
August 26, 2011 | 327 days |
1. def. Ryuta Noji at Deep 57 Impact on February 18, 2012 | |
| Razmadze vacated the title in July 4, 2012. | |||||
| 4 | def. Seigo Mizuguchi |
Deep 61 Impact Tokyo, Japan |
February 16, 2013 | 970 days |
1. def. Hirohide Fujinuma at Deep 63 Impact on August 25, 2013 |
| Hasegawa vacated the title on October 14, 2015 when he started competing at a lower weight class.[2] | |||||
| 5 | def. Carlos Toyota |
Deep 73 Impact Tokyo, Japan |
October 17, 2015 | 637 days | |
| 6 | Deep Cage Impact 2017: At Korakuen Hall Tokyo, Japan |
July 15, 2017 | 2,887 days |
1. def. Ryo Sakai at Deep 88 Impact on March 9, 2019 | |
| — | def. Yukinori Akazawa for interim title |
Deep 110 Impact Tokyo, Japan |
November 12, 2022 | – | 1. def Tatsuya Mizuno at Deep 114 Impact on July 2, 2023. |
| Martinez vacated the title on June 10, 2025 after he retired.[3] | |||||
| 7 | def. Ryo Sakai |
Deep 126 Impact Tokyo, Japan |
August 17, 2025 | 2 days (incumbent) |
|
Light Heavyweight Championship
- Weight limit: 93 kg (205 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Ryuta Noji |
Deep 47 Impact Tokyo, Japan |
April 17, 2010 | 3,248 days |
1. def. Bernard Ackah at Deep 54 Impact on June 24, 2011 |
| Nakanishi vacated the title on March 9, 2019 when he retired.[4] | |||||
Middleweight Championship
- Weight limit: 84 kg (185.2 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Eiji Ishikawa |
Deep 5 Impact Tokyo, Japan |
June 9, 2002 | 914 days |
1. drew with Masanori Suda at Deep 12 Impact on September 15, 2003 |
| 2 | Deep 17 Impact Tokyo, Japan |
December 8, 2004 | 425 days | ||
| 3 | Deep 23 Impact Tokyo, Japan |
February 5, 2006 | 676 days |
1. def. Ryuta Sakurai at Deep 28 Impact on February 16, 2007 | |
| Chonan vacated the title on December 12, 2007.[5] | |||||
| 4 | def. Riki Fukuda |
Deep 35 Impact Tokyo, Japan |
May 19, 2008 | 408 days | |
| 5 | Deep: 42 Impact Tokyo, Japan |
June 30, 2009 | 738 days |
1. def. Ryuta Sakurai at Deep 49 Impact on August 27, 2010 | |
| Fukuda vacated the title in July 8, 2011 due to being signed with the UFC.[6] | |||||
| 6 | def. Choi Young |
Deep 61 Impact Tokyo, Japan |
February 16, 2013 | 673 days | |
| 7 | Deep 70 Impact Tokyo, Japan |
Decision 20, 2014 | 296 days | ||
| 8 | Deep Cage Impact 2015 in Osaka Osaka, Japan |
October 11, 2015 | ? days | ||
| Choi vacated the title in 2016 when he signed with Road FC.[7] | |||||
| 9 | def. Taisuke Okuno |
Deep 82 Impact Tokyo, Japan |
February 24, 2018 | 1,227 days | |
| 10 | Deep 102 Impact Tokyo, Japan |
July 4, 2021 | 1,507 days (incumbent) |
||
Welterweight Championship
- Weight limit: 77 kg (169.7 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Daisuke Nakamura |
Deep 16 Impact Tokyo, Japan |
October 30, 2004 | 840 days |
1. def. Seichi Ikemoto at RealRhythm 3rd Stage on March 4, 2006 |
| 2 | Deep 28 Impact Tokyo, Japan |
February 16, 2007 | 528 days |
1. drew with Dong Hyun Kim at Deep 32 Impact on October 10, 2007 | |
| 3 | Deep 36 Impact Osaka, Japan |
July 27, 2008 | 547 days |
1. def. Hidetaka Monma at Deep: 40 Impact on February 20, 2009 | |
| 4 | Deep 45 Impact Osaka, Japan |
January 24, 2010 | 1,189 days |
1. def. Shigetoshi Iwase at Deep 50 Impact on October 24, 2010 | |
| 5 | Deep 62 Impact Tokyo, Japan |
April 26, 2013 | 178 days | ||
| 6 | Deep - Tribe Tokyo Night Tokyo, Japan |
October 20, 2013 | >1 day | ||
| Chonan won the title in his retirement fight and retired as champion.[8] | |||||
| 7 | def. Taisuke Okuno |
Deep 66 Impact Tokyo, Japan |
April 29, 2014 | 438 days |
1. def. Yuya Shirai at Deep 70 Impact on December 20, 2014 |
| 8 | Deep - Cage Impact 2015 Tokyo, Japan |
July 20, 2015 | ? days | ||
| Title vacant when Nakamura signed with the UFC. | |||||
| 9 | def. Ken Hasegawa |
Deep - Cage Impact 2017: at Korakuen Hall Tokyo, Japan |
July 15, 2017 | 1775 days |
1. def. Yoichiro Sato at Deep 83 Impact on April 28, 2018 |
| — | def. Gota Yamashita for interim title |
Deep - 100 Impact - 20th Anniversary Bunkyo, Tokyo, Japan |
February 21, 2021 | — | |
| Sumimura vacated the title in May 25, 2022 following an injury. | |||||
| 10 | promoted to undisputed champion |
— | May 25, 2022 | 262 days | |
| 11 | Deep 112 Impact Tokyo, Japan |
February 11, 2023 | 519 days | ||
| 12 | Deep 120 Impact Tokyo, Japan |
July 14, 2024 | 295 days | ||
| 13 | Deep 125 Impact Tokyo, Japan |
May 5, 2025 | 106 days (incumbent) |
||
Lightweight Championship
- Weight limit: 70 kg (154.3 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Tomomi "Taisho" Iwama |
Deep 18 Impact Tokyo, Japan |
February 12, 2005 | ? days | |
| Mishima vacated the title in February 2006, as he was unable to defend in the mandatory time period.[9] | |||||
| 2 | def. Ryan Bow |
Deep 24 Impact Tokyo, Japan |
April 11, 2006 | 312 days | |
| 3 | Deep 28 Impact Tokyo, Japan |
February 16, 2007 | 459 days | ||
| 4 | Deep 35 Impact Tokyo, Japan |
May 19, 2008 | ? days | ||
| Bang vacated the title in October 2008. | |||||
| 5 | def. Koichiro Matsumoto |
Deep: 41 Impact Tokyo, Japan |
April 16, 2009 | 863 days |
1. def. Nobuhiro Obiya at Deep 50 Impact on October 24, 2010 |
| 6 | Deep 55 Impact Tokyo, Japan |
August 26, 2011 | ? days |
1. def. Seichi Ikemoto at Deep 57 Impact on February 18, 2012 | |
| Hirota vacated the title in April 2012.[10] | |||||
| 7 | def. Yasuaki Kishimoto |
Deep 58 Impact Tokyo, Japan |
June 15, 2012 | 326 days |
1. def. Takafumi Ito at Deep 60 Impact on October 19, 2012 |
| 8 | Deep 62 Impact Tokyo, Japan |
April 26, 2013 | 2,011 days |
1. def. Naoto Miyazaki at Deep 66 Impact on April 29, 2014 | |
| 9 | Deep 86 Impact Tokyo, Japan |
October 27, 2018 | 1,235 days |
1. def. Juri Ohara at Deep 82 Impact on October 22, 2019 | |
| — | def. Ryota Oki for interim title |
Deep 102 Impact Tokyo, Japan |
July 4, 2021 | — |
|
| Takeda vacated the belt on March 15, 2022.[11] | |||||
| 10 | promoted to undisputed champion |
— | March 15, 2022 | 552 days |
1. def. Yuma Ishizuka at Deep 108 Impact on Jul 10, 2022 |
| 11 | Deep 115 Impact: Deep Vs. Black Combat 2 Tokyo, Japan |
September 18, 2023 | 173 days |
||
| 12 | Deep 118 Impact Tokyo, Japan |
March 9, 2024 | 191 days |
||
| 13 | Deep 121 Impact Tokyo, Japan |
September 16, 2024 | 337 days (incumbent) |
||
Featherweight Championship
- Weight limit: 65 kg (143.3 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Yoshiro Maeda |
Deep 22 Impact Tokyo, Japan |
December 2, 2005 | 900 days |
1. def. Tsuyoshi Yamazaki at Deep 26 Impact on Oct 10, 2006 |
| 2 | Deep 35 Impact Tokyo, Japan |
May 19, 2008 | 462 days | ||
| 3 | Deep: 43 Impact Tokyo, Japan |
August 23, 2009 | 315 days | ||
| 4 | Deep 48 Impact Tokyo, Japan |
July 3, 2010 | 420 days |
1. def. Tatsunao Nagakura at Deep 55 Impact on Aug 26, 2011 | |
| Matsumoto retired on August 26, 2011, thereby vacating the title.[12] | |||||
| 5 | def. Hideki Kadowaki |
Deep 57 Impact Tokyo, Japan |
February 18, 2012 | ? days |
1. def. Katsunori Tsuda at Deep 66 Impact on Apr 29, 2014 |
| Yokota vacated the title in May 2016 when he left to compete for ONE Championship.[13] | |||||
| 6 | def. Tatsunao Nagakura |
Deep Cage Impact 2016: Deep vs. WSOF-GC Tokyo, Japan |
December 17, 2016 | ? days | |
| Imanari vacated the title for unknown reasons. | |||||
| 7 | def. Koichi Ishizuka |
Deep Cage Impact 2017: At Korakuen Hall Tokyo, Japan |
July 15, 2017 | 162 days | |
| 8 | Deep 81 Impact Tokyo, Japan |
December 23, 2017 | 309 days | ||
| 9 | Deep 86 Impact Tokyo, Japan |
October 27, 2018 | 695 days |
1. def. Daiki Hata at Deep 89 Impact on May 12, 2019 | |
| 10 | Deep 97 Impact Tokyo, Japan |
September 20, 2020 | 1189 days |
1. def. Daisuke Nakamura at Deep 102 Impact on July 4, 2021 | |
| — | def. Hiroto Gomyo for interim title |
Deep 112 Impact Tokyo, Japan |
February 11, 2023 | — | |
| Ushiku vacated the title on December 21, 2023, when he started competing at a lower weight class.[14] | |||||
| 11 | promoted to undisputed champion |
— | December 21, 2023 | 79 days | |
| 12 | Deep 118 Impact Tokyo, Japan |
March 9, 2024 | 528 days (incumbent) |
||
Bantamweight Championship
- Weight limit: 60 kg (132.3 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Hiroshi Umemura |
Deep 37 Impact Tokyo, Japan |
August 17, 2008 | 1,018 days |
1. def. Tomohiko Hori at Deep: 43 Impact on August 23, 2009 |
| Imanari vacated the title on May 31, 2011. | |||||
| 2 | def. Hiroshi Nakamura |
Deep 54 Impact Tokyo, Japan |
June 24, 2011 | 240 days | |
| 3 | Deep 57 Impact Tokyo, Japan |
February 18, 2012 | 434 days |
1. def. Tatsumitsu Wada at Deep 59 Impact on August 18, 2012 | |
| 4 | Deep 62 Impact Tokyo, Japan |
April 26, 2013 | ? days | ||
| Hata vacated the title. | |||||
| 5 | def. Kenji Osawa |
Deep 66 Impact Tokyo, Japan |
April 29, 2014 | ? days |
1. def. Toshinori Tsunemura at Deep 69 Impact on October 26, 2014 |
| Otsuka vacated the title for unknown reasons. | |||||
| 6 | def. Toshiaki Kitada |
Deep 83 Impact Tokyo, Japan |
April 28, 2018 | ? days | |
| Son vacated the title in 2018 when he signed with UFC. | |||||
| 7 | def. Makoto Kamaya |
Deep 86 Impact Tokyo, Japan |
October 27, 2018 | 134 days | |
| 8 | Deep 88 Impact Tokyo, Japan |
March 9, 2019 | 1,619 days | ||
| — | def. Daiki Hata for interim title |
Deep 107 Impact Tokyo, Japan |
May 8, 2022 | — | |
| — | def. Kosuke Terashima for interim title |
Deep 110 Impact Tokyo, Japan |
November 12, 2022 | — | |
| Henry vacated the title on August 15, 2023 due to being unable to defend his title while signed with UFC.[15] | |||||
| 9 | promoted to undisputed champion |
— | August 15, 2023 | 34 days |
|
| 10 | Deep 115 Impact: Deep Vs. Black Combat 2 Tokyo, Japan |
September 18, 2023 | 194 days | ||
| Yoo vacated the title on March 30, 2024.[16] | |||||
| 11 | def. Kenta Takizawa |
Deep 121 Impact Tokyo, Japan |
September 16, 2024 | 337 days (incumbent) |
1. def. Juntaro Ushiku at Deep 125 Impact on May 5, 2025 |
Flyweight Championship
- Weight limit: 56 kg (123.4 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Akira Kibe |
Deep Nagoya Impact Nagoya, Aichi, Japan |
July 22, 2012 | 400 days | |
| 2 | Deep 63 Impact Tokyo, Japan |
August 25, 2013 | 364 days | ||
| 3 | Deep 68 Impact Tokyo, Japan |
August 23, 2014 | ? days |
1. def. Kojima Sota at Deep 73 Impact on October 17, 2015 | |
| Motoya vacated the title in April 2016.[17] | |||||
| 4 | def. Yuya Shibata |
Deep 76 Impact Tokyo, Japan |
June 26, 2016 | 1,342 days |
1. def. Makoto Takahashi at Deep 83 Impact on April 28, 2018 |
| — | def. Yuya Shibata for interim title |
Deep 90 Impact Tokyo, Japan |
June 29, 2019 | — | |
| Wada vacated the title on February 28, 2020.[18] | |||||
| 5 | promoted to undisputed champion. |
— | February 28, 2020 | 1,490 days |
1. def. Yamato Fujita in unification bout at Deep 107 Impact on May 8, 2022 |
| — | def. Kazuki Shibuya for interim title |
Deep 100 Impact - 20th Anniversary Tokyo, Japan |
February 21, 2021 | — |
1. def. Yuki Ito at Deep 103 Impact on September 23, 2021 |
| — | def. Ryosuke Honda for interim title |
Deep 113 Impact Tokyo, Japan |
May 7, 2023 | — | |
| Takahashi vacated the title on March 29, 2024 to focus on competing in RIZIN.[19] | |||||
| 6 | promoted to undisputed champion. |
— | March 29, 2024 | 438 days | |
| Fukuda vacated the title on June 10, 2025. | |||||
| 7 | def. Kenta Hayashi |
Deep 126 Impact Tokyo, Japan |
August 17, 2025 | 2 days (incumbent) |
|
Strawweight Championship
- Weight limit: 52 kg (114.6 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Kojima Sota |
Deep Cage Impact 2016: Korakuen Hall Tokyo, Japan |
October 18, 2016 | 334 days | |
| 2 | Deep 79 Impact Tokyo, Japan |
September 16, 2017 | 1,073 days |
1. def. Yuya Shibata at Deep Cage Impact in Osaka 2018 on April 8, 2018 | |
| 3 | Deep 96 Impact Tokyo, Japan |
August 23, 2020 | 1,372 days | ||
| — | def. Yusuke Uehara for interim title |
Deep 117 Impact Tokyo, Japan |
December 10, 2023 | — | |
| 4 | DEEP Tokyo Impact 2024 3rd Round Tokyo, Japan |
May 26, 2024 | 450 days (incumbent) |
Women's championship history
Women's Openweight Championship
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Yumiko Hotta |
Deep 57 Impact Tokyo, Japan |
February 18, 2012 | 3,918 days[Note 1] |
Women's Atomweight Championship
- Weight limit: 48 kg (105.8 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Satoko Shinashi |
Deep 25 Impact Tokyo, Japan |
August 4, 2006 | 367 days | |
| 2 | Deep 31 Impact Tokyo, Japan |
August 5, 2007 | 987 days |
1. def. Misaki Takimoto at Deep 37 Impact on August 17, 2008 | |
| Matsumoto vacated the title on April 17, 2010, following her retirement from the sport.[20] | |||||
Women's Microweight Championship
- Weight limit: 45 kg (99.2 lb)
| No. | Name | Event | Date | Reign (total) |
Defenses |
|---|---|---|---|---|---|
| 1 | def. Sachiko Yamamoto |
Deep 34 Impact Tokyo, Japan |
February 22, 2008 | 3,962 days | |
| Shinashi vacated the title in 2018. | |||||
| 2 | def. Mizuki Oshiro |
Deep 97 Impact Tokyo, Japan |
September 20, 2020 | 1,794 days (incumbent) |
1. def. Mizuki Furuse at Deep 110 Impact on November 12, 2022 |
Footnotes
- ^ While the title hasn't been active since 2012 and Lucas isn't competing anymore, Deep never announced the vacancy of the title.
See also
- List of current mixed martial arts champions
- List of Deep events
- List of Jewels events
- List of Jewels champions
- List of Pancrase champions
- List of Pride champions
- List of Road FC champions
- List of Strikeforce champions
- List of UFC champions
- List of WEC champions
- Mixed martial arts weight classes
References
- ^ "【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.
- ^ "【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.
- ^ "【MMA champ Roque Martinez retires after loss in Korea". gbring.com. Retrieved 10 June 2025.
- ^ "【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.
- ^ "【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.
- ^ "【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.
- ^ "'돌아온 적당주의' 최영 "차정환이 갖고 있는 로드FC 벨트 원해"". spotvnews.co.kr. Retrieved 13 July 2021.
- ^ "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.
- ^ "【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.
- ^ "Deep Lightweight Champion vacated the 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)". efight.jp. Retrieved 15 March 2022.
- ^ "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.
- ^ "【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.
- ^ "【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". gonkaku.jp. Retrieved December 21, 2023.
- ^ Takumi Nakamura (2023-08-15). "【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". MMAPlanet. Retrieved 2024-09-17.
- ^ 정성욱 (2024-04-01). "유수영 딥2001 밴텀급 타이틀 반납...로드 투 UFC 진출 때문?". rank5.kr. Retrieved 2024-07-16.
- ^ "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.
- ^ "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". Bout Review. 2024-02-28. Retrieved 2024-09-17.
- ^ 정성욱 (2024-03-29). "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」". Bout Review. Retrieved 2024-07-16.
- ^ Nelson, Chris. "Miku Matsumoto Announces Retirement". bloodyelbow.com. Retrieved 13 July 2021.