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.
K-1 World Championship K-1 FEG (2007 - 2012) K-1 Super Heavyweight Championship Weight: ＋100kg NameDateDefenses Semmy Schilt (def. Ray Sefo) March 4, 2007def. Mighty Mo on June 23, 2007 def. Mark Hunt on April 13, 2008 def. Jérôme Le Banner on June 29, 2008 def. Errol Zimmerman on April 3, 2010 Schilt retired from professional competition on June 26, 2013.
K-1 Heavyweight Championship Weight: −100kg
NameDateDefenses Badr Hari (def. Yusuke Fujimoto) April 28, 2007def. Glaube Feitosa on June 29, 2008 Hari was stripped of his title on December 17, 2008, for unsportsmanlike behavior. Kyotaro Fujimoto (def. Gökhan Saki) March 28, 2009def. Peter Aerts on April 3, 2010 Fujimoto vacated the title on October 1, 2011, in order to pursue a career in professional boxing.Kyotaro Relinquishes K-1 Heavyweight Championship to Move Into Boxing
K-1 World GP Japan (2014–present)
K-1 World GP Heavyweight Championship Weight limit: Unlimited
NameDateDefenses Antonio Plazibat (def. Ibrahim El Bouni) November 23, 2017 Roel Mannaart (def. Antonio Plazibat) March 21, 2018def. Chris Bradford on November 24, 2019 def. K-Jee on July 13, 2025 Ariel Machado (def. Roel Mannaart) November 15, 2025def. Claudio Istrate on April 11, 2026
K-1 World GP Cruiserweight Championship Weight limit:
NameDateDefenses Sina Karimian (def. Boubaker El Bakouri) September 24, 2018def. Hisaki Kato on March 10, 2019 def. Ryo Aitaka on March 22, 2020 K-Jee (def. Sina Karimian) November 3, 2020 Sina Karimian (def. K-Jee) March 28, 2021 Liu Ce (def. Sina Karimian) March 20, 2024def. Mahmoud Sattari on September 29, 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. Thian de Vries (def. Mahmoud Sattari) May 31, 2025
K-1 World GP Middleweight Championship Weight limit:
NameDateDefenses Hasan Toy (def. Shintaro Matsukura) June 3, 2023 Shintaro Matsukura (def. Hasan Toy) December 9, 2023 Matsukura vacated the title on September 2, 2025, when his K-1 contract came to an end. Dengue Silva (def. Alfousseynou Kamara) April 11, 2026
K-1 World GP Super Welterweight Championship Weight limit:
NameDateDefenses Marat Grigorian (def. Jordann Pikeur) July 4, 2015 Grigorian was stripped of the title on December 6, 2016, after refusing to defend. Chingiz Allazov (def. Yasuhiro Kido) June 18, 2017def. Hinata Watanabe on March 21, 2018 Allazov vacated the title on February 5, 2019, after signing with Bellator Kickboxing. Minoru Kimura (def. Hiromi Wajima) March 22, 2020 Hiromi Wajima (def. Minoru Kimura) December 4, 2021def. Jomthong Chuwattana on March 12, 2023 def. Jordann Pikeur on July 17, 2023 Ouyang Feng (def. Hiromi Wajima) December 9, 2023def. Darryl Verdonk on May 31, 2025 Ouyang Feng vacated the title on February 17, 2026, after refusing a title defense due to training structure issues. Jonas Salsicha (def. Darryl Verdonk) April 11, 2026
K-1 World GP Welterweight Championship Weight limit:
NameDateDefenses Yuta Kubo (def. Mohan Dragon) September 18, 2017def. Melsik Baghdasaryan on March 21, 2018 def. Yasuhiro Kido on March 10, 2019 def. Jordann Pikeur on March 22, 2020 Kubo retired from the sport on August 20, 2020. Masaaki Noiri (def. Rukiya Anpo) September 20, 2021 Noiri vacated the title on March 27, 2024, after departing from the promotion.
K-1 World GP Super Lightweight Championship Weight limit:
NameDateDefenses Kaew Fairtex (def. Yasuomi Soda) November 3, 2014def. Minoru Kimura on November 21, 2015 def. Massaro Glunder on March 4, 2016 def. Hideaki Yamazaki on April 22, 2017 Masaaki Noiri (def. Kaew Fairtex) June 18, 2017 Noiri vacated the title on August 19, 2018, after moving up in weight. Kaew Fairtex (def. Daizo Sasaki) November 3, 2018 Rukiya Anpo (def. Kaew Fairtex) November 3, 2018def. Kaew Fairtex on December 28, 2019 def. Fukashi Mizutani on March 22, 2020 Hideaki Yamazaki (def. Rukiya Anpo) September 22, 2020 Tetsuya Yamato (def. Hideaki Yamazaki) April 3, 2022def. Daizo Sasaki on September 11, 2022 def. Kenta Hayashi on March 12, 2023 Yamato vacated the title on March 8, 2024. Yodkhunpon Weerasakreck (def. Shu Inagaki) September 29, 2024def. Hayato Suzuki on February 9, 2025 Yodkhunpon was stripped of the title on May 30, 2025 after missing weight for his title defense. Taio Asahisa (def. Shu Inagaki) November 15, 2025def. Alassane Kamara on September 12, 2026
K-1 World GP Lightweight Championship Weight limit:
NameDateDefenses Wei Rui (def. Ren Hiramoto) February 25, 2017def. Kongnapa Weerasakreck on June 18, 2017 Koya Urabe (def. Wei Rui) March 21, 2018 Kenta Hayashi (def. Koya Urabe) March 10, 2019 Kongnapa Weerasakreck (def. Kenta Hayashi) December 13, 2020 Taio Asahisa (def. Kongnapa Weerasakreck) July 17, 2021 Yuki Yoza (def. Taio Asahisa) March 12, 2023 Yoza vacated the title on April 18, 2025. Yuzuki Satomi (def. Hirotaka Asahisa) February 8, 2026 Kiyomitsu Samuel Nagasawa (def. Yuzuki Satomi) September 12, 2026
K-1 World GP Super Featherweight Championship Weight limit:
NameDateDefenses Koya Urabe (def. Hirotaka Urabe) January 18, 2015 Hirotaka Urabe (def. Koya Urabe) November 21, 2015 Taiga Kawabe (def. Hirotaka Urabe) February 25, 2017 Taiga was stripped of the title on February 3, 2018, due to contract disputes. Takeru Segawa (def. Kosuke Komiyama) February 25, 2017def. Kouzi on December 8, 2018 def. Leona Pettas on March 28, 2021 Takeru vacated the title on June 27, 2022, due to injuries and mental health issues. Leona Pettas (def. Hirotaka Asahisa) September 11, 2022 Pettas vacated the title on January 29, 2025. Rémi Parra (def. Tomoya Yokoyama) May 31, 2025 Tomoya Yokoyama(def. Yuta Matsuyama for the interim title) May 31, 2026 Parra was striped of the belt on July 16, 2026, after failing to present for a title defense for over a year. Interim champion Tomoya Yokoyama was upgraded to full time champion Tomoya Yokoyama — July 16, 2026 def. Thun Menghong on September 12, 2026
K-1 World GP Featherweight Championship Weight limit:
NameDateDefenses Takeru Segawa (def. Kaito Ozawa) November 3, 2016def. Wang Junguang on September 18, 2017 Takeru vacated the title after moving up in weight. Yuta Murakoshi (def. Haruma Saikyo) June 17, 2018def. Hirotaka Urabe on March 10, 2019 Murakoshi vacated the title on August 26, 2019, after moving up in weight. Yuki Egawa (def. Jawsuayai Sor.Dechaphan) September 24, 2019 Tatsuya Tsubakihara (def. Yuki Egawa) March 21, 2021 Taito Gunji (def. Tatsuya Tsubakihara) December 4, 2021def. View Petchkoson on March 12, 2023 Takumi Terada (def. Taito Gunji) September 29, 2024def. Takahito Niimi on February 9, 2025 Terada vacated the title on February 20, 2026, in order to move up in weight Ryota Ishida (def. Kosei Sekiguchi) May 31, 2026 Rui Okubo (def. Ryota Ishida) September 12, 2026
K-1 World GP Super Bantamweight Championship Weight limit:
NameDateDefenses Takeru Segawa (def. Taiga Kawabe) April 19, 2015def. Charles Bongiovanni on November 21, 2015 Takeru vacated the title on August 28, 2016. Yoshiki Takei (def. Kenji Kubo) April 22, 2017def. Kenji Kubo on March 21, 2018 Takei vacated the title on December 13, 2020, after transitioning to the sport of boxing. Akihiro Kaneko (def. Masashi Kumura) February 27, 2022def. Kompetch Sitsarawatsuer on March 12, 2023 def. Masashi Kumura on September 10, 2023 def. Manolis Kallistis on February 9, 2025 def. Koji Ikeda on September 7, 2025 Riamu (def. Akihiro Kaneko) September 12, 2026
K-1 World GP Bantamweight Championship Weight limit:
NameDateDefenses Toma Kuroda (def. Issei Ishii) December 3, 2022def. Issei Ishii on December 9, 2023 Kuroda vacated the title on January 3, 2025. Issei Ishii (def. Eito Kurokawa) November 15, 2025def. Zhang Jinhui on February 8, 2026 Neigo Katono (def. Issei Ishii) July 20, 2026
K-1 World GP Women's Flyweight Championship Weight limit:
NameDateDefenses Kana Morimoto (def. Josefine Lindgren Knutsson) September 28, 2019def. Souris Manfredi on June 25, 2022 def. Funda Alkayış on March 12, 2023 def. McKenna Wade on July 17, 2023 Antonia Prifti (def. Kana Morimoto) December 9, 2023 Saho Yoshino (def. Antonia Prifti) March 20, 2024def. Lara Fernandez on July 13, 2025 def. Sofia Tsolakidou on February 8, 2026 def. Laysa Silva on July 20, 2026
K-1 World GP Women's Atomweight Championship Weight limit: NameDateDefenses Phayahong Ayothaya (def. Miyuu Sugawara) June 25, 2022 Miyuu Sugawara (def. Phayahong Ayothaya) March 12, 2023 Sugawara vacated the title on December 15, 2024. She announced to be pursuing a career in boxing. Kira Matsutani (def. Aki Suematsu) February 9, 2025def. Aki Suematsu on September 7, 2025 Veronica Rodriguez (def. Kira Matsutani) February 8, 2026 Aki Suematsu(def. Veronica Rodriguez) July 20, 2026
K-1 World Grand Prix Champions Openweight
K-1 FEG (1993-2010) K-1 (2024–present)
+ K-1 WORLD GRAND PRIX Champions Date Champion Nationality Event Location Runner-up Nationality 2024-12-14 Ariel Machado Brazil K-1 World Grand Prix 2024 Final Tokyo, Japan Feng Rui China 2010-12-11 Alistair Overeem Netherlands K-1 World Grand Prix 2010 Final Tokyo, Japan Peter Aerts Netherlands 2009-12-05 Semmy Schilt Netherlands K-1 World Grand Prix 2009 Final Yokohama, Japan Badr Hari Morocco 2008-12-06 Remy Bonjasky Netherlands K-1 World Grand Prix 2008 Final Yokohama, Japan Badr Hari Morocco 2007-12-08 Semmy Schilt Netherlands K-1 World Grand Prix 2007 Final Yokohama, Japan Peter Aerts Netherlands 2006-12-02 Semmy Schilt Netherlands K-1 World Grand Prix 2006 in Tokyo Final Tokyo, Japan Peter Aerts Netherlands 2005-11-19 Semmy Schilt Netherlands K-1 World Grand Prix 2005 in Tokyo Final Tokyo, Japan Glaube Feitosa Brazil 2004-12-04 Remy Bonjasky Netherlands K-1 World Grand Prix 2004 Final Tokyo, Japan Musashi Japan 2003-12-06 Remy Bonjasky Netherlands K-1 World Grand Prix 2003 Final Tokyo, Japan Musashi Japan 2002-12-07 Ernesto Hoost Netherlands K-1 World Grand Prix 2002 Final Tokyo, Japan Jérôme Le Banner France 2001-12-08 Mark Hunt New Zealand K-1 World Grand Prix 2001 Final Tokyo, Japan Francisco Filho Brazil 2000-12-10 Ernesto Hoost Netherlands K-1 World Grand Prix 2000 Final Tokyo, Japan Ray Sefo New Zealand 1999-12-05 Ernesto Hoost Netherlands K-1 Grand Prix '99 Final Round Tokyo, Japan Mirko Filipović Croatia 1998-12-13 Peter Aerts Netherlands K-1 Grand Prix '98 Final Round Tokyo, Japan Andy Hug Switzerland 1997-11-09 Ernesto Hoost Netherlands K-1 Grand Prix '97 Final Tokyo, Japan Andy Hug Switzerland 1996-05-06 Andy Hug Switzerland K-1 Grand Prix '96 Yokohama, Japan Mike Bernardo South Africa 1995-05-04 Peter Aerts Netherlands K-1 Grand Prix '95 Tokyo, Japan Jérôme Le Banner France 1994-04-30 Peter Aerts Netherlands K-1 Grand Prix '94 Tokyo, Japan Masaaki Satake Japan 1993-04-30 Branko Cikatić Croatia K-1 Grand Prix '93 Tokyo, Japan Ernesto Hoost Netherlands
K-1 World Grand Prix: Finalists
K-1 FEG (1993-2010) K-1 (2024–present) + K-1 WORLD GRAND PRIX FINAL FighterBest result Previous appearances in GP FinalRecord