List of K-1 champions
This is the list of all K-1 champions. Included are the K-1 World Grand Prix and K-1 World MAX champions as well as all the preliminary tournament winners from the events promoted by FEG (1993– 2012), K-1 Global (2012–2023), and K-1 (2014–present), following the former's dissolution. The list does not contain K-1's mixed martial arts branch Hero's and DREAM champions.[1]
K-1 World Championship
- K-1 FEG (2007 - 2012)
 
K-1 Super Heavyweight Championship
- Weight limit: Unlimited
 
| Name | Date | Defenses | 
|---|---|---|
(def. Ray Sefo)  | 
March 4, 2007 | 
  | 
| Schilt retired from professional competition on June 26, 2013[2] | ||
K-1 Heavyweight Championship
- Weight limit: 100 kg (220.5 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Yusuke Fujimoto)  | 
April 28, 2007 | 
  | 
| Hari was stripped of his title on December 17, 2008, for unsportsmanlike behavior[3] | ||
(def. Gökhan Saki)  | 
March 28, 2009 | 
  | 
| Fujimoto vacated the title on October 1, 2011, in order to pursue a career in professional boxing[4] | ||
- K-1 WORLD GP JAPAN (2014 - present)
 
K-1 World GP Heavyweight Championship
- Weight limit: Unlimited
 
| Name | Date | Defenses | 
|---|---|---|
(def. Ibrahim El Bouni)  | 
November 23, 2017 | |
(def. Antonio Plazibat)  | 
March 21, 2018 | 
  | 
K-1 World GP Cruiserweight Championship
- Weight limit: 90 kg (198.4 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Boubaker El Bakouri)  | 
September 24, 2018 | 
  | 
(def. Sina Karimian)  | 
November 3, 2020 | |
(def. K-Jee)  | 
March 28, 2021 | |
(def. Sina Karimian)  | 
March 20, 2024 | 
  | 
| Liu was stripped of the title on May 26, 2025, after he pulled out of his scheduled title defense due to injury a week before the event.[5] | ||
(def. Mahmoud Sattari)  | 
May 31, 2025 | |
K-1 World GP Middleweight Championship
- Weight limit: 75 kg (165.3 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Shintaro Matsukura)  | 
June 3, 2023 | |
(def. Hasan Toy)  | 
December 9, 2023 | 
K-1 World GP Super Welterweight Championship
- Weight limit: 70 kg (154.3 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Jordann Pikeur)  | 
July 4, 2015 | |
| Grigorian was stripped of the title on December 6, 2016, after refusing to defend[6] | ||
(def. Yasuhiro Kido)  | 
June 18, 2017 | 
  | 
| Allazov vacated the title on February 5, 2019, after signing with Bellator Kickboxing[7] | ||
(def. Hiromi Wajima)  | 
March 22, 2020 | |
(def. Minoru Kimura)  | 
December 4, 2021 | 
  | 
(def. Hiromi Wajima)  | 
December 9, 2023 | 
  | 
K-1 World GP Welterweight Championship
- Weight limit: 67.5 kg (148.8 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Mohan Dragon)  | 
September 18, 2017 | 
  | 
| Kubo retired from the sport on August 20, 2020.[8] | ||
(def. Rukiya Anpo)  | 
September 20, 2021 | |
| Noiri vacated the title on March 27, 2024, after departing from the promotion.[9] | ||
K-1 World GP Super Lightweight Championship
- Weight limit: 65 kg (143.3 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Yasuomi Soda)  | 
November 3, 2014 | 
  | 
(def. Kaew Fairtex)  | 
June 18, 2017 | |
| Noiri vacated the title on August 19, 2018, after moving up in weight[10] | ||
(def. Daizo Sasaki)  | 
November 3, 2018 | |
(def. Kaew Fairtex)  | 
November 3, 2018 | 
  | 
(def. Rukiya Anpo)  | 
September 22, 2020 | |
(def. Hideaki Yamazaki)  | 
April 3, 2022 | 
  | 
| Yamato vacated the title on March 8, 2024.[11] | ||
(def. Shu Inagaki)  | 
September 29, 2024 | 
  | 
| Yodkhunpon was stripped of the title on May 30, 2025 after missing weight for his title defense.[12] | ||
K-1 World GP Lightweight Championship
- Weight limit: 62.5 kg (137.8 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Ren Hiramoto)  | 
February 25, 2017 | 
  | 
(def. Wei Rui)  | 
March 21, 2018 | |
(def. Koya Urabe)  | 
March 10, 2019 | |
(def. Kenta Hayashi)  | 
December 13, 2020 | |
(def. Kongnapa Weerasakreck)  | 
July 17, 2021 | |
(def. Taio Asahisa)  | 
March 12, 2023 | |
| Yoza vacated the title on April 18, 2025.[13] | ||
K-1 World GP Super Featherweight Championship
- Weight limit: 60 kg (132.3 lb)
 
| Name | Date | Defenses | |
|---|---|---|---|
(def. Hirotaka Urabe)  | 
January 18, 2015 | ||
(def. Koya Urabe)  | 
November 21, 2015 | ||
(def. Hirotaka Urabe)  | 
February 25, 2017 | ||
| Taiga was stripped of the title on February 3, 2018, due to contract disputes[14] | |||
(def. Kosuke Komiyama)  | 
February 25, 2017 | 
  | |
| Takeru vacated the title on June 27, 2022, due to injuries and mental health issues[15] | |||
(def. Hirotaka Asahisa)  | 
September 11, 2022 | ||
| Pettas vacated the title on January 29, 2025.[16] | |||
(def. Tomoya Yokoyama)  | 
May 31, 2025 | ||
K-1 World GP Featherweight Championship
- Weight limit: 57.5 kg (126.8 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Kaito Ozawa)  | 
November 3, 2016 | 
  | 
| Takeru vacated the title after moving up in weight[17] | ||
(def. Haruma Saikyo)  | 
June 17, 2018 | 
  | 
| Murakoshi vacated the title on August 26, 2019, after moving up in weight[18] | ||
(def. Jawsuayai Sor.Dechaphan)  | 
September 24, 2019 | |
(def. Yuki Egawa)  | 
March 21, 2021 | |
(def. Tatsuya Tsubakihara)  | 
December 4, 2021 | 
  | 
(def. Taito Gunji)  | 
September 29, 2024 | 
  | 
K-1 World GP Super Bantamweight Championship
- Weight limit: 55 kg (121.3 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Taiga Kawabe)  | 
April 19, 2015 | 
  | 
| Takeru vacated the title on August 28, 2016[19] | ||
(def. Kenji Kubo)  | 
April 22, 2017 | 
  | 
| Takei vacated the title on December 13, 2020, after transitioning to the sport of boxing[20] | ||
(def. Masashi Kumura)  | 
February 27, 2022 | 
  | 
K-1 World GP Bantamweight Championship
- Weight limit: 53 kg (116.8 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Issei Ishii)  | 
December 3, 2022 | 
  | 
| Kuroda vacated the title on January 3, 2025.[21] | ||
K-1 World GP Women's Flyweight Championship
- Weight limit: 52 kg (114.6 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Josefine Lindgren Knutsson)  | 
September 28, 2019 | 
  | 
(def. Kana Morimoto)  | 
December 9, 2023 | |
(def. Antonia Prifti)  | 
March 20, 2024 | 
  | 
K-1 World GP Women's Atomweight Championship
- Weight limit: 45 kg (99.2 lb)
 
| Name | Date | Defenses | 
|---|---|---|
(def. Miyuu Sugawara)  | 
June 25, 2022 | |
(def. Phayahong Ayothaya)  | 
March 12, 2023 | |
| Sugawara vacated the title on December 15, 2024. She announced to be pursuing a career in boxing.[22] | ||
(def. Aki Suematsu)  | 
February 9, 2025 | |
K-1 WORLD GRAND PRIX Champions
Openweight
K-1 WORLD GRAND PRIX : Finalists
| Fighter | Best Result | Previous appearances in GP FINAL | Record
 (W-L-D-NC)  | 
|---|---|---|---|
| Champions 1993 | 1993, 1994 | 87-11-1-1 | |
| Runner-up 1994 | 1993, 1994, 1995, 1997, 1998 | 43-12-4-0 | |
| Champions 1994, 1995, 1998 | 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 | 108-35-2-0 | |
| 3rd place 1993 | 1993 | 53-13-5-0 | |
| Quarter Finals 1993 | 1993 | 277-99-5-0 | |
| Quarter Finals 1993 | 1993 | 11-1 | |
| Champions 1997, 1999, 2000, 2002 | 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2006 | 99-21-1-0 | |
| Quarter Finals 1993, 1995 | 1993, 1995 | 5-10 | |
| 3rd place 1994 | 1994 | 66-8 | |
| Quarter Finals 1994 | 1994 | 8-10 | |
| Quarter Finals 1994 | 1994 | 7-6 | |
| Quarter Finals 1994 | 1994 | 58-19-5-0 | |
| Champions 1996 | 1994, 1996, 1997, 1998, 1999 | 37-9-1-0 | |
| Runner-up 1996 | 1995, 1996, 1997, 1998 | 54-18-3-2 | |
| Runner-up 1995, 2002 | 1995, 1997, 1999, 2001, 2002, 2005, 2006, 2007, 2008, 2009 | 87-23-2-1 | |
| Quarter Finals 1995 | 1995 | 88-9-5-1 | |
| Quarter Finals 1995 | 1995 | 1-2 | |
| 3rd place 1998, 1999 | 1996, 1997, 1998, 1999 | 19-9-2-2 | |
| Runner-up 1999 | 1996, 1999, 2000 | 26-8 | |
| Runner-up 2003, 2004 | 1996, 1999, 2000, 2002, 2003, 2004, 2005 | 49-30-5-1 | |
| Quarter Finals 1996 | 1996 | 5-4 | |
| Runner-up 2001 | 1997, 1998, 2000, 2001 | 16-7-2-0 | |
| Runner-up 2000 | 1998, 1999, 2000, 2002, 2003, 2004, 2005 | 56-22-1-0 | |
| 3rd place 2000, 2003 | 2000, 2003 | 25-16 | |
| 3rd place 2001 | 2000, 2001, 2002, 2006 | 69-39-1-1 | |
| Champions 2001 | 2001, 2002 | 30-13 | |
| Quarter Finals 2001 | 2001 | 9-9 | |
| 3rd place 2001 | 2001, 2003 | 86-22 | |
| Quarter Finals 2002 | 2002 | 12-19 | |
| 3rd place 2004 | 2003, 2004 | 4-12 | |
| Quarter Finals 2003 | 2003 | 59-14-1-0 | |
| Champions 2003, 2004, 2008 | 2003, 2004, 2005, 2006, 2007, 2008, 2009 | 78-20 | |
| 3rd place 2004 | 2004 | 88-40-5-1 | |
| Quarter Finals 2004, 2010 | 2004, 2010 | 20-22 | |
| Champions 2005, 2006, 2007, 2009 | 2005, 2006, 2007, 2009, 2010 | 43-6-1-0 | |
| Runner-up 2005 | 2005, 2006, 2007 | 17-17-10 | |
| Quarter Finals 2005, 2006, 2008, 2009 | 2005, 2006, 2008, 2009 | 15-9 | |
| Quarter Finals 2005, 2007 | 2005, 2007 | 13-9 | |
| Quarter Finals 2006 | 2006 | 34-8 | |
| Quarter Finals 2007 | 2007 | 15-8 | |
| Runner-up 2008, 2009 | 2007, 2008, 2009 | 106-17-0-3 | |
| Quarter Finals 2008, 2009 | 2008, 2009 | 11-4 | |
| 3rd place 2008, 2010 | 2008, 2010 | 82-16-0-1 | |
| 3rd place 2008, 2024 | 2008, 2009, 2024 | 87-29-0-1 | |
| Champions 2010 | 2009, 2010 | 10-4-0-1 | |
| Quarter Finals 2010 | 2010 | 52-11 | |
| Quarter Finals 2010 | 2010 | 21-7 | |
| Quarter Finals 2010 | 2010 | 107-7-1-1 | |
| Champions 2024 | 2024 | 61-14 | |
| Quarter Finals 2024 | 2024 | 23-4 | |
| 3rd place 2024 | 2024 | 8-3 | |
| Quarter Finals 2024 | 2024 | 60-25-3-1 | |
| Runner-up 2024 | 2024 | 12-1 | |
| Quarter Finals 2024 | 2024 | 22-18 | |
| Quarter Finals 2024 | 2024 | 30-5 | 
K-1 GP Preliminary Tournament Champions
Legend:   K-1 World Grand Prix Qualifier 
K-1 WORLD MAX Champions
-70kg
K-1 WORLD MAX : Finalists
| Fighter | Best Result | Previous appearances in MAX FINAL | Record
 (W-L-D-NC)  | 
|---|---|---|---|
| Champions 2002 | 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 | 115-30-3-0 | |
| 3rd place 2002, 2004 | 2002, 2004, 2005, 2006 | 40-20-2-0 | |
| 3rd place 2003 | 2002, 2003 | 14-7-1-0 | |
| Quarter Finals 2002 | 2002 | 24-10 | |
| Quarter Finals 2002 | 2002 | 65-18-5-1 | |
| Champions 2003, 2008 | 2002, 2003, 2004, 2005, 2006, 2007, 2008 | 55-6-2-0 | |
| Runner-up 2002 | 2002 | 101-20-2-0 | |
| Quarter Finals 2002 | 2002 | 62-11 | |
| Quarter Finals 2003 | 2003 | 36-10 | |
| 3rd place 2010 | 2003, 2004, 2005, 2007, 2010 | 157-24 | |
| Champions 2005, 2007 | 2003, 2005, 2006, 2007, 2008, 2009 | 161-21-2-0 | |
| 3rd place 2003 | 2003 | 3-1 | |
| Quarter Finals 2003 | 2003 | 45-20-7-0 | |
| Quarter Finals 2004, 2005 | 2004, 2005 | 99-30-2-0 | |
| Quarter Finals 2004 | 2004 | 27-6 | |
| Champions 2004, 2006 | 2004, 2005, 2006, 2007, 2008, 2009, 2024 | 244-25-14-2 | |
| Quarter Finals 2004, 2005 | 2004, 2005 | 4-6 | |
| 3rd place 2005 | 2005 | 7-13 | |
| 3rd place 2006, 2010 | 2006, 2007, 2008, 2009, 2010 | 76-26-4-2 | |
| Quarter Finals 2006 | 2006 | 10-10 | |
| Runner-up 2010 | 2006, 2007, 2008, 2010 | 54-25-1-0 | |
| Runner-up 2008 | 2007, 2008, 2009 | 72-14-1-2 | |
| Quarter Finals 2008 | 2008 | 59-34-5-0 | |
| Quarter Finals 2008 | 2008 | 58-26-2-1 | |
| Quarter Finals 2009 | 2009 | 95-18-0-1 | |
| 3rd place 2009 | 2009 | 35-28-1-0 | |
| Champions 2009, 2010 | 2009, 2010 | 108-3-2-2 | |
| Quarter Finals 2010 | 2010 | 21-18-2-0 | |
| Quarter Finals 2010 | 2010 | 48-10-3-0 | |
| Quarter Finals 2010 | 2010 | 21-5-1-0 | |
| Champions 2024 | 2024 | 25-9 | |
| 3rd place 2024 | 2024 | 46-6 | |
| Quarter Finals 2024 | 2024 | 15-7 | |
| Runner-up 2024 | 2024 | 13-5 | |
| Quarter Finals 2024 | 2024 | 18-8-1-0 | |
| Quarter Finals 2024 | 2024 | 26-1-1-0 | |
| Quarter Finals 2024 | 2024 | 31-6 | |
| 3rd place 2024 | 2024 | 79-17 | 
K-1 MAX Preliminary Tournament Champions
Legend:   Middleweight Artistic Xtreme Qualifier 
K-1 World Tournament Champions
- K-1 WORLD GP JAPAN (2014 - present)
 
K-1 Japan Tournament Champions
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2021-05-30 | Toma Kuroda | K-1 World GP 2021: Japan Bantamweight Tournament | Yokohama, Japan | Kazuki Miburo | 
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2016-04-24 | Taiga | K-1 World GP 2016 -60kg Japan Tournament | Tokyo, Japan | Koya Urabe | 
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2016-03-04 | Hideaki Yamazaki | K-1 World GP 2016 -65kg Japan Tournament | Tokyo, Japan | Masaaki Noiri | 
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2011-06-25 | Yuta Kubo | K-1 World MAX 2011 –63 kg Japan Tournament Final | Tokyo, Japan | Koya Urabe | 
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2010-07-05 | Tetsuya Yamato | K-1 World MAX 2010 –63 kg Japan Tournament Final | Tokyo, Japan | Yuta Kubo | 
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 1997-11-09 | Takehiro Murahama | K-1 Grand Prix '97 Final, K-1 Japan Featherweight GP '97 | Tokyo, Japan | Kenichi Sato | 
K-1 Global Champions
Openweight
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2013-03-15 | Mirko Filipović | K-1 RISING ~ K-1 World Grand Prix FINAL in Zagreb | Zagreb, Croatia | Ismael Londt | 
-95 kg
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2016-10-27 | Roman Kryklia | K-1 World GP 2016 Euro -95kg Tournament | Belgrade, Serbia | Fabio Kwasi | 
-85 kg
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2016-12-03 | Timur Aylyarov | K-1 World GP 2016 Euro -85kg Tournament | Tuzla, Bosnia and Herzegovina | Igor Emkić | 
-85 kg : Light Heavyweight
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2013-03-30 | Constantin Țuțu | K-1 World GP 2013 in Moldova - Light Heavyweight Tournament | Chișinău, Moldova | Leon Miedema | 
-70 kg
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 2014-10-12 | Enriko Kehl | K-1 RISING ~ K-1 World MAX 2014 Final | Pattaya, Thailand | Buakaw Banchamek | ||
| 2012-12-15 | Murthel Groenhart | K-1 RISING ~ K-1 World MAX 2012 Final | Athens, Greece | Artur Kyshenko | 
K-2 / K-3 : Grand Prix Champions
K-2
Weight limit: 82 kg
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 1995-01-07 | Rob Kaman | K-2 France Grand Prix '95 | Paris, France | Jérôme Turcan | ||
| 1994-05-08 | Ernesto Hoost | K-2 Plus Tournament 1994 | Amsterdam, Netherlands | Bob Schreiber | ||
| 1993-12-19 | Ernesto Hoost | K-2 Grand Prix '93 | Tokyo, Japan | Changpuek Kiatsongrit | 
K-3
Weight limit: 75 kg
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | 
|---|---|---|---|---|---|---|
| 1995-07-16 | Ivan Hippolyte | K-3 Grand Prix '95 | Nagoya, Japan | Taiei Kin | 
K-1 Japan Amateur Champions
K-1 Japan Koshien Tournament Champions
| Date | Champion | Nationality | Event | Location | Runner-up | Nationality | ||
|---|---|---|---|---|---|---|---|---|
| 55kg class | ||||||||
| 2024-09-01 | Seri Okubo | K-1 Koshien 2024 Tournament | Tokyo, Japan | Kojiro Kusano | ||||
| 2023-09-03 | Masato Arai | K-1 Koshien 2023 Tournament | Tokyo, Japan | Ryuki Nagaya | ||||
| 2022-08-21 | Toki Oshika | K-1 Koshien 2022 Tournament | Tokyo, Japan | Toya Matsuba | ||||
| 2021-08-29 | Rui Okubo | K-1 Koshien 2021 Tournament | Tokyo, Japan | Ryunosuke Saito | ||||
| 2020-08-02 | Aoi Noda | K-1 Koshien 2020 Tournament | Tokyo, Japan | Naoki Omura | ||||
| 2019-08-04 | Tsubasa Yamawaki | K-1 Koshien 2019 Tournament | Tokyo, Japan | Rui Kasami | ||||
| 2018-09-24 | Kazuma Takuda | K-1 World GP 2018: inaugural Cruiserweight Championship Tournament | Saitama, Japan | Rui Kasami | ||||
| 2017-11-11 | Tatsuya Tsubakihara | K-1 World GP 2017 Japan Heavyweight Championship Tournament | Tokyo, Japan | Itsuki Kobori | ||||
| 2016-11-03 | Taito Gunji | K-1 World GP 2016 Featherweight World Tournament | Tokyo, Japan | Tatsuya Tsubakihara | ||||
| 2015-11-21 | Haruma Saikyo | K-1 World GP 2015 The Championship | Tokyo, Japan | Tatsuya Tsubakihara | ||||
| 60kg class | ||||||||
| 2024-09-01 | Daichi Uemasu | K-1 Koshien 2024 Tournament | Tokyo, Japan | Tsubasa Tsukakoji | ||||
| 2023-09-03 | Kanata Ueno | K-1 Koshien 2023 Tournament | Tokyo, Japan | Koudai Suda | ||||
| 2022-08-21 | Raita Hashimoto | K-1 Koshien 2022 Tournament | Tokyo, Japan | Riki Soda | ||||
| 2021-08-29 | Sota Amano | K-1 Koshien 2021 Tournament | Tokyo, Japan | Seima Suga | ||||
| 2020-08-02 | Yuta Matsuyama | K-1 Koshien 2020 Tournament | Tokyo, Japan | Riku Yabusaki | ||||
| 2019-08-04 | Ryota Ishida | K-1 Koshien 2019 Tournament | Tokyo, Japan | Hiroto Inoue | ||||
| 2018-09-24 | Rikiya Yamaura | K-1 World GP 2018: inaugural Cruiserweight Championship Tournament | Saitama, Japan | Ryusei Shimizu | ||||
| 2017-11-11 | Shoki Kaneda | K-1 World GP 2017 Japan Heavyweight Championship Tournament | Tokyo, Japan | Tomoya Yokoyama | ||||
| 2016-11-03 | Yuma Saikyo | K-1 World GP 2016 Featherweight World Tournament | Tokyo, Japan | Takumi Yokoyama | ||||
| 65kg class | ||||||||
| 2024-09-01 | Sera Ojima | K-1 Koshien 2024 Tournament | Tokyo, Japan | Shin Ishigami | ||||
| 2023-09-03 | Daito Nonaka | K-1 Koshien 2023 Tournament | Tokyo, Japan | Ryuki Kaneko | ||||
| 2022-08-21 | Sakuya Ueda | K-1 Koshien 2022 Tournament | Tokyo, Japan | Rui Tazawa | ||||
| 2021-08-29 | Haru Furumiya | K-1 Koshien 2021 Tournament | Tokyo, Japan | Yura Kouno | ||||
| 2020-08-02 | Ryuka Oba | K-1 Koshien 2020 Tournament | Tokyo, Japan | Haru Furumiya | ||||
| 2019-08-04 | Ryuka Oba | K-1 Koshien 2019 Tournament | Tokyo, Japan | Hiroto Mori | ||||
| 2018-09-24 | Kaisei Kondo | K-1 World GP 2018: inaugural Cruiserweight Championship Tournament | Saitama, Japan | Ryuka Oba | ||||
| 2017-11-11 | Kaisei Kondo | K-1 World GP 2017 Japan Heavyweight Championship Tournament | Tokyo, Japan | Ruku Kojima | ||||
| 2016-11-03 | Kensei Kondo | K-1 World GP 2016 Featherweight World Tournament | Tokyo, Japan | Kai Honma | ||||
| 2015-11-21 | Yuto Shinohara | K-1 World GP 2015 The Championship | Tokyo, Japan | Kensei Kondo | ||||
| 2014-11-03 | Ren Hiramoto | K-1 World GP 2014 -65kg Championship Tournament | Tokyo, Japan | Tenma Sano | ||||
| 70kg class | ||||||||
| 2009-08-10 | Shintaro Matsukura | K-1 Koshien 2009 King Of Under 18 70 kg Class Tournament | Tokyo, Japan | Koki Saito | ||||
| 62kg class | ||||||||
| 2012-03-17 | Sho Ogawa | K-1 Koshien 2011 FINAL | Tokyo, Japan | Yuya Shibata | ||||
| 2010-11-20 | Shoei Hareyama | K-1 King of Under 18 ~ FINAL | Tokyo, Japan | Hiroki Akimoto | ||||
| 2009-12-31 | Masaaki Noiri | Dynamite!! 2009 | Saitama, Japan | Shota Shimada | ||||
| 2008-12-31 | Hiroya Kawabe | Dynamite!! 2008 | Saitama, Japan | Koya Urabe | ||||
| 2007-12-31 | Yudai Hareyama | K-1 PREMIUM 2007 Dynamite!! | Osaka, Japan | Hiroya Kawabe | ||||
See also
References
- ^ "Event Schedule". K-1 Grand Prix Website. Archived from the original on 2007-08-15. Retrieved 2009-06-06.
 - ^ Dave Walsh. "LiverKick - LiverKick". Liverkick.com. Retrieved 2015-11-02.
 - ^ "Badr Hari to be stripped of K-1 title, suspended indefinitely?". fansofk1.com. Retrieved 2008-12-08.
 - ^ Kyotaro Relinquishes K-1 Heavyweight Championship to Move Into Boxing
 - ^ "【K-1】サッタリと"30戦無敗"ターザンが新王座決定戦、リュウが無念の欠場". efight.jp. Retrieved 27 May 2025.
 - ^ "K1グレゴリアンの王座返上、防衛戦オファー応じず". nikkansports.com. Retrieved 11 August 2022.
 - ^ "Allazov Vacates K-1 Championship". kickboxingz.com. Retrieved 11 August 2022.
 - ^ "元K-1王者・久保優太がジム設立「世界No.1のジム目指す」". efight.jp. 20 August 2020. Retrieved 30 September 2020.
 - ^ ""怪物"野杁正明、K-1との契約解除を報告「円満に満了」次のリングはどこになるか!?(オリコン)". Yahoo!ニュース (in Japanese). Retrieved 27 March 2024.
 - ^ "第2代K-1スーパー・ライト級王者・野杁正明が正式に王座返上「これは前向きな返上。必ずK-1ウェルター級のベルトを獲ります」、宮田充プロデューサー「次のスーパー・ライト級王座を争う戦いを考えている」". k-1.co.jp. Retrieved 12 August 2022.
 - ^ "【K-1】大和哲也が王座を返上、10本目のベルトを目指してヒジあり復帰か。レオナ・ペタスは3月欠場". gonkaku.jp. Retrieved 8 March 2024.
 - ^ "「K-1 BEYOND」5.31(土)横浜 試合に関するお知らせ". k-1.co.jp. Retrieved 30 May 2025.
 - ^ "与座優貴選手に関するお知らせ". k-1.co.jp. Retrieved 18 April 2025.
 - ^ "【K-1】メインの武尊vs大雅戦が消滅、大雅は王座剥奪に". efight.jp. 3 February 2018. Retrieved 11 August 2022.
 - ^ "【K-1】武尊「自分と向き合える時間を作りたい」復帰については「まだ僕にはいろいろな可能性があると思っている」「最後、勝つ姿を見せてから終わりたい」". gonkaku.jp. Retrieved 27 June 2022.
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