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Yuta Kubo

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Yuta Kubo
BornKubo Yūta
(1987-10-19) October 19, 1987 (age 37)
Tachikawa, Tokyo, Japan
Native name久保優太
Other namesKubokyun, The Smiling Sniper
Height1.75 m (5 ft 9 in)
Weight65 kg (143 lb; 10.2 st)
Reach70 in (180 cm)
StyleKickboxing, Taekwondo[1]
StanceOrthodox
Fighting out ofTokyo, Japan
TeamTachikawa Kickboxing Academy (2005-2008)
Unlimited Kickboxing Gym Survivor (2009-2010)
DC Lab Gym (2011)
Fighting Gym Kairos (2011-2015)
K-1 Gym Gotanda Team Kings (2016-2020)
Purge Tokyo (2021-present)
Years active2005–2020 (Kickboxing)
2021–present (MMA)
Kickboxing record
Total61
Wins49
By knockout19
Losses10
By knockout3
Draws2
Mixed martial arts record
Total6
Wins5
By knockout2
By submission1
By decision2
Losses1
By decision1
Other information
OccupationGym Owner, Coach
Notable relativesKenji Kubo (brother)
Websiteameblo.jp/kubo-yuta/

Yuta Kubo (Japanese: 久保優太, Kubo Yuta, born October 19, 1987) is a Japanese mixed martial artist and former kickboxer, currently competing in the featherweight division of Rizin Fighting Federation.

As a professional kickboxer, Kubo is the former Krush and K-1 welterweight (-67.5 kg) champion. Kubo was furthermore the 2011 K-1 World MAX Lightweight (-63 kg) Japan Tournament winner, 2013 Krush Welterweight (-67.5 kg) Grand Prix winner, 2013 Glory 65kg Slam Tournament Winner, and the 2017 K-1 World GP Welterweight (-67.5 kg) World Grand Prix Winner.

Combat Press ranked him as a top ten featherweight kickboxer in the world between September 2014 and July 2016,[2][3] as well as between April and July 2020.[4][5]

Controversy

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In September 2016, Kubo was detained and arrested by the Tokyo Metropolitan Police Department on allegations of assault causing bodily harm raised by his then-wife. According to his ex-wife's testimony, she was verbally and physically assaulted by Kubo, who was upset over a failed stock investment. Kubo punched the woman several times in the head, causing eardrum rupture in both of her ears, which left long-term residual effects in one of the ears. After divorcing, the two reached an out-of-court settlement, which obliged Kubo to pay his wife an undisclosed amount in damages, but spared him from being prosecuted by the Public Prosecutors Office.[6]

Kickboxing career

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Featherweight

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Early career

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Yuta Kubo was put practicing taekwondo at age of 8 with his younger brother, Kenji under a Zanichi Korean family friend. He eventually took up kickboxing at the age of 15.[7] Kubo made his professional kickboxing debut on January 22, 2005, against Shinji Aseishi as a featherweight (-57.15 kg) at NJKF "Infinite Challenge I", as a high school student. He won the fight by unanimous decision, with all three judges scoring the bout 30–27 in his favor.[8]

Kubo fought three more times over the course of the next six months, amassing a perfect 4–0 record,[9][10] with his final victory over Kozaru at NJKF "Infinite Challenge VII" on July 23, 2005, earning him the #10 spot in the NJKF featherweight rankings.[11] His stoppage wins over the #9 ranked Shōkō on September 24, 2005,[12] and the #5 ranked Yoshiaki Takano on November 20, 2005,[13] as well as his unanimous decision triumph over Shōgo Kokubun on March 6, 2006,[14] earned him the right to face top-ranked Masato Ōkawa in an NJKF featherweight title eliminator, which was held at NJKF "Advance IV" on May 3, 2006. He won the fight by unanimous decision, with scores of 50–47, 50–46 and 50–46.[15]

Kubo was expected to face Yoshinari Nakasuka at "Shinou Hai" on July 22, 2006. He was forced to withdraw from the contest on June 17, as he suffered an injury in training and was sidelined for the next two months.[16] Kubo was replaced by Kōji Okuyama, who stepped in on a month's notice.[17]

Kubo faced Nichau Sithaikeriangtor in a super featherweight (-60 kg) bout at the Rajadamnern Stadium on September 10, 2006. He won the fight by a third-round knockout. Kubo next faced Kenpeth Shinongchai in an -84 kg catchweight bout on September 16, 2006. He won the fight by a third-round knockout.[18]

NJKF champion

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Kubo was expected to challenge the NJKF featherweight champion Nobuhiro Iwai at "NJKF Shinnou Cup Final" on November 23, 2006.[19] Iwai withdrew from the contest on November 1, after suffering an injury in training. Kubo was subsequently promoted to interim champion status.[20]

Kubo was expected to face an unnamed Thai opponent in a -59 kg catchweight bout on the "Thai King's Birthday" event on December 5, 2006.[21] His opponent withdrew on the day of the fight and was replaced by Somdet Por.Pantie, with the contest being upgraded to a -90 kg catchweight bout as a result. Kubo won the fight by a fourth-round knockout.[22]

Kubo faced the WMC Hong Kong Super Featherweight champion Daniel in a -58.5 kg catchweight bout at NJKF "Fighting Evolution II -Muay Thai Open-" on January 28, 2007. He won the fight by unanimous decision, with three scorecards of 49–45. Kubo was able to knock his opponent down once, with a left hook, in the second round.[23]

Kubo faced Nobuhiro Iwai for the undisputed NJKF featherweight championship at NJKF "Fighting Evolution III -3 Kings Champion Carnival-" on March 18, 2007. The pair was originally scheduled to face each other on November 23, before Iwai withdrew with an injury and was therefore stripped of the title, although he was ranked as the #1 contender for the vacant title.[24] Kubo won the fight by a second-round technical knockout. The bout was stopped by the referee, on the advice of the ringside physician, due to a cut on Iwai's forehead.[25] Following this victory, Kubo was ranked as the second-best featherweight in the WBC Muaythai Japan rankings, only behind Genki Yamamoto.[26]

Kubo faced Farkamwang SKV Gym at NJKF "Fighting Evolution VI" on May 13, 2007, in a WINDY CUP sponsored fight, who offered the winner an additional prize of ฿100,000 (~¥360,000). He won the fight by majority decision, with scores of 50–49, 50–50 and 50–48.[27]

Super featherweight

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Kubo faced Chaichana Patong Gym for the WPMO World Super featherweight (-60 kg) championship at "World Muay Thai Federation Championship" on July 3, 2007. He won the fight by a fifth-round knockout.[28] Kubo next faced Soug-Uk Lee at NJKF "Fighting Evolution VIII -The Next Generation-" on September 2, 2007.[29] He won the fight by a third-round knockout.[30]

Kubo's 16-fight undefeated streak was snapped by Nuang Solia, who was able to overcome the Japanese fighter by unanimous decision at a "Removing Land Mines" charity event, held on November 21, 2007. Kubo was then booked to face Shunta Ito at NJKF "Start Of New Legend" on January 27, 2008.[31] Ito won the fight by unanimous decision. Kubo suffered the first knockdown of his professional career during this fight, as his opponent dropped him with a left hook in the fourth round.[32][33]

Kubo challenged the WMAF World Super featherweight champion Takashi "TURBO" Nagatsuka at MAJKF "Break Through - 3" on April 29, 2008. The fight was ruled a split decision draw, with one 49–48 scorecard for Kubo and Nagatsuka respectively, as well as one even 49–49 scorecard.[34]

Kubo was expected to face Rashata at "NJKF Start of a New Legend IX" on July 27, 2008, but was forced to withdraw after being diagnosed with bladder stones.[35]

Lightweight

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Early Krush fights

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Kubo faced Yosuke Mizuochi in the reserve bout of the 2009 Krush Lightweight Grand Prix, held on November 2, 2009.[36][37] He won the fight by majority decision. As the one of tournament finalists, Naoki Ishikawa, was forced to drop out of the contest due to a cut on his left eyelid, Kubo stepped in to face Masahiro Yamamoto in the Grand Prix finals. He lost the fight by unanimous decision.[38]

Kubo faced Tsuyoshi at M&J Presents Survivor Round.2 on December 9, 2009.[39] He won the fight by unanimous decision, with scores of 30–28, 29–28 and 30–28.[40] Kubo next faced Junpei Aotsu at Krush × Survivor on March 13, 2010. He won the fight by unanimous decision, with scores of 30–28, 30–29 and 30–28.[41]

2010 K-1 MAX Japan Tournament

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Kubo faced "DJ" Taiki Hata in the round of 16 of the 2010 K-1 Japan MAX Lightweight (-62.5 kg) tournament, held on May 2, 2010, to determine the eight fighters that would take part in the one-day final tournament on July 5, 2010.[42] He won the fight by a dominant unanimous decision, with all three ringside officials awarding him a 30–27 scorecard.[43] Kubo faced Keiji Ozaki in the quarterfinals of the 2010 K-1 MAX tournament on July 5. He triumphed over the veteran by unanimous decision, with three scorecards of 30–29.[44] Kubo faced Yoshimichi Matsumoto in the semifinals and was able to make quick work of his opponent, stopping him with a question mark kick 81 seconds into the opening round.[45] Kubo faced the WBC Muaythai Japan lightweight champion Tetsuya Yamato in the tournament finals. In spite of his early success, which saw him knock Yamato down with a left straight in the very first round of the contest, he was nonetheless knocked out by Yamato at the 1:26 minute mark of the final round.[46]

2011 K-1 MAX Japan Tournament

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After suffering a career-first stoppage loss at the hands of Tetsuya Yamato, Kubo was booked to face Hiroya at K-1 World MAX 2010 -70kg World Championship Tournament Final on November 8, 2010.[47] He won the fight by unanimous decision.[48] Kubo next faced Densiam Lukprabaht at Survivor -Round.7- on May 27, 2011. He won the fight by a third-round knockout.[49]

These two victories earned Kubo a place in the K-1 World MAX 2011 –63 kg Japan Tournament Final, which was held on June 25, 2011. Kubo faced Kizaemon Saiga in the quarterfinals of the one-day tournament and was able to overcome him by a narrow majority decision, with scores of 30–29, 30–30 and 30–29.[50] Advancing to the semifinals, he faced the 2009 K-1 Koshien winner Masaaki Noiri. Kubo won the fight by a more convincing unanimous decision, with three scorecards of 30–29 in his favor.[51] Kubo then faced Koya Urabe in the finals of the one-day tournament. He won the fight by unanimous decision, with scores of 30–28, 30–29 and 30–28.[52] During a post-fight interview, Kubo stated he intended to retire had he not won the tournament, having said as much to his sponsors before the event took place.[53]

Kubo faced Andre Brul at K-1 World MAX 2011 -70kg Japan Tournament Final on September 25, 2011, in what was his final appearance at lightweight.[54] He won the fight by a wide unanimous decision, with two scorecards of 30–24 and one scorecard of 30–25. Kubo was able to knock Brul down twice in the opening round, with a middle kick and a knee to the body, as well as once in the second round, with a crescent kick.[55]

Welterweight

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Move up in weight

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Kubo faced Tristan Benard in a -64 kg catchweight bout at Krush 13 on November 12, 2011. He won the fight by a third-round knockout.[56] Kubo faced Nils Widlund in another -64 kg catchweight bout at Fight For Japan: Genki Desu Ka Omisoka 2011 on December 31, 2011.[57] He won the fight by a third-round knockout, flooring Widlung with a high kick at the 1:10 minute mark of the round.[58]

On February 17, 2012, at Krush 16, Kubo defeated Charles François via second-round knockout to win the vacant ISKA World Light-Welterweight (64.5 kg) Championship in Tokyo, Japan.[59]

On June 8, 2012, At Krush 18 in Tokyo, Japan, Yuta faced Abdellah Ezbiri.[60] Despite his aggressive style Ezbiri seemed gun shy in the 1st round giving it to his opponent. Yuta dropped Ezbiri twice in the second, the 1st time with a right hook, the second with a spinning back fist but got up both times showing extreme toughness and heart and stayed on his feet in the 3rd even though Kubo is known for finishing his opponents quickly when he smells blood. Yuta Kubo won the fight by unanimous decision.[61]

Kubo faced Yuya Yamato at Krush.22 on August 26, 2012.[62] He won the fight by a second-round knockout.[63]

He was expected to make his middleweight (-70 kg) debut at Glory 4: Tokyo - 2012 Heavyweight Grand Slam on December 2, 2012 against an unnamed opponent,[64][65] but it fell through after the event was moved back to December 31 and combined with Dream 18.

Krush Welterweight Grand Prix

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Kubo competed in the Krush Grand Prix 2013 ~67kg First Class Tournament~ on January 14, 2012 and was initially set to fight Houcine Bennoui in the quarter-finals.[66][67] However, Bennoui pulled out and was replaced by Roman Mailov.[68][69] Mailov then sustained an injury in training as well, though, and lowly-ranked TaCa was brought in as Kubo's third opponent.[70] He stopped TaCa with one of his signature body shots in round two. In the semis, Kubo dropped Shintaro Matsukura with a first round punch to the body and cruised to a unanimous decision but not without taking significant damage to his lead leg. A rematch with Abdellah Ezbiri then awaited him in the final. Kubo started the fight well but the tide started to turn in round two when Ezbiri began taking advantage of his injured leg to the point where he was having trouble standing. The bout was scored a unanimous draw after the regulation three rounds and so it went to a first extension round which was called a majority draw, much to the distaste of the crowd who booed the decision as they believed Ezbiri was dominant. Kubo rallied in the second extension round to take a unanimous decision, winning the tournament and the inaugural Krush 67 kg title.[71]

Super lightweight

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Glory Slam Tournament

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Kubo faced Lim Chi-Bin in the quarterfinals of the 2013 Glory Featherweight (-65 kg) Slam Tournament, held at Glory 8: Tokyo on May 3, 2013.[72][73] He won the fight by a second-round knockout. Kubo knocked Lim down with a knee to the midsection in the clinch in the final seconds of the round, which left the Korean unable to rise from the canvas.[74] Kubo overcame Gabriel Varga by unanimous decision in the tournament semifinals and faced Masaaki Noiri in the finals of the one-day contest.[75] He won the fight by unanimous decision. Aside from capturing the tournament title, Kubo was furthermore awarded $100,000 in prize money as well.[76][77][78]

Kubo had his three year-spanning, seventeen fight win streak broken in his rubber match with Masaaki Noiri at Krush.32 in Nagoya, Japan on September 1, 2013, losing his Krush 67 kg title in the process.[79] He was docked a point for excessive clinching in round three, allowing Noiri to take a wide unanimous decision.[80]

Cold streak

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Kubo faced Mosab Amrani at Glory 13: Tokyo on December 21, 2013.[81] He lost the fight by unanimous decision, with all three judges awarding Amrani all three rounds of the bout.[82]

Kubo faced Raz Sarkisjan in the quarterfinals of the 2014 K-1 World Super Lightweight Grand Prix, held on November 3, 2014. Despite successfully making his way past Sakisijan by way of unanimous decision,[83] Kubo was nonetheless handed his second career stoppage loss by the eventual tournament winner Kaew Fairtex in the semifinals, who floored him with a left hook in the second round.[84]

Kubo faced Yasuomi Soda at K-1 World GP 2015 -55kg Championship Tournament on April 19, 2015.[85] He lost the fight by unanimous decision, with scores of 30–28, 29–27 and 30–27.[86]

Kubo faced Noman in the quarterfinals of the 2016 K-1 World Super Lightweight Grand Prix, which was held on March 4, 2016.[87] He won the fight by unanimous decision, with two scorecards of 30–28 and one scorecard of 30–29 in his favor.[88] Kubo advanced to the semifinals, where he faced Hideaki Yamazaki. Yamazaki, the eventual tournament winner, won the fight by a third-round technical knockout.[89]

Return to welterweight

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First fights

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Kubo faced Keita Makihira at K-1 World GP in Japan Featherweight Championship Tournament on November 2, 2016, in his return to the welterweight (-67.5 kg) division.[90][91] He won the fight by unanimous decision, with scores of 29–28, 30–29 and 29–27, after knocking Makihara down once in the second round.[92][93]

Kubo faced Xie Lei at Wu Lin Feng World Championship 2017 on January 14, 2017. He lost the fight by unanimous decision.[94]

Kubo faced Kazuki Yamagiwa at Bigbang 29: Road to Unification on June 4, 2017.[95] The fight ended in a majority decision draw. Although one judge awarded Kubo a 29–28 scorecard, he was overruled by his colleagues, who had the bout scored as an even 29–29 and 28–28 respectively.[96]

K-1 World Grand Prix

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On July 19, 2017, it was announced that Kubo would be one of eight participants of the 2017 K-1 World Welterweight Grand Prix. Kubo faced Minoru Kimura in the quarterfinals of the one-day tournament, which took place on September 18, 2017.[97] He won the fight by unanimous decision, with two scorecards of 29–27 and one scorecard of 30–26 in his favor. Kubo was twice able to knock Kimura down, once in the second and once in the third round.[98] He made quick work of his semifinal opponent, Hitoshi Tsukakoshi, as he twice knocked his opponent down by the 2:36 minute mark of the opening round.[99] Kubo captured the tournament title, as well as the inaugural K-1 World GP Welterweight (-67.5 kg) Championship with a unanimous decision victory over Mohan Dragon in the Grand Prix finals.[100][101]

Title reign

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Kubo made his fist K-1 World GP Welterweight (-67.5 kg) championship defense against Melsik Baghdasaryan at K-1 World GP 2018: K'FESTA.1 on March 21, 2018.[102] He retained the title by unanimous decision.[103]

Kubo made his second K-1 Welterweight championship defense against the 2008 K-1 World MAX Japan Tournament winner Yasuhiro Kido at K-1 World GP 2019: K’FESTA 2 on March 10, 2019.[104] He won the fight by unanimous decision, after an extra fourth round was contested.[105]

Kubo made his third and final K-1 Welterweight championship defense against the reigning Krush Super Welterweight champion Jordann Pikeur at K-1: K’Festa 3 on March 22, 2020.[106] He won the fight by unanimous decision, with all three judges scoring the bout 30–29 in his favor.[107]

Kubo retired from the sport of kickboxing on August 20, 2020.[108]

Mixed martial arts career

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Kubo was scheduled to make his mixed martial arts debut, as a featherweight, against Shinobu Ota at Rizin 30 on September 19, 2021.[109] He lost the fight by unanimous decision.[110]

Kubo faced Youtuber Shibatar in a mixed rules bout at Rizin 33 - Saitama on December 31, 2021. The bout will be two 3 min rounds, with no decision, and the winner only being able to win via KO or submission. [111] Kubo lost the bout via flying armbar in the first round.[112]

Kubo faced Keisuke Okuda at Rizin Landmark 4 on November 6, 2022. He won the fight by TKO stoppage at the end of the first round.[113]

Kubo faced Karate Kinoshita on June 24, 2023 at Rizin 43, winning the bout via split decision.[114]

Kubo faced Rukiya Anpo in a special rules bout at Rizin 45 on December 31, 2023.[115] He won the bout via rear-naked choke at the end of the first round.[116]

Kubo faced Ryogo Takahashi at RIZIN Landmark 9 on March 23, 2024, winning the bout via unanimous decision.[117]

Kubo faced the former Rizin FF Featherweight champion Yutaka Saito at Super Rizin 3 on July 28, 2024.[118] He won the fight by a second-round knockout.[119]

Championships and accomplishments

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Kickboxing

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  • New Japan Kickboxing Federation
    • 2006 NJKF interim Featherweight (-57.5 kg) Championship
    • 2007 NJKF Featherweight (-57.5 kg) Championship

Muay thai

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  • World Professional Muaythai Federation
    • 2007 WPMF World Super featherweight (-60 kg) Championship

Awards

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  • 2005 Best Rookie Award[120] (NJKF, January 15, 2006)
  • 2005 Gong Kakutogi Magazine Award[120] (NJKF, January 15, 2006)
  • 2005 Full Contact Karate Magazine Award[120] (NJKF, January 15, 2006)
  • 2006 Technique Award[121] (NJKF, December 23, 2006)
  • 2007 Technique Award[122] (NJKF, January 6, 2008)

Mixed martial arts record

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Professional record breakdown
6 matches 5 wins 1 loss
By knockout 2 0
By submission 1 0
By decision 2 1
Res. Record Opponent Method Event Date Round Time Location Notes
Win 5–1 Yutaka Saito TKO (front kick to the body) Super Rizin 3 July 28, 2024 2 4:19 Saitama, Japan
Win 4–1 Ryogo Takahashi Decision (unanimous) Rizin Landmark 9 March 23, 2024 3 5:00 Kobe, Japan Return to Featherweight.
Win 3–1 Rukiya Anpo Submission (rear-naked choke) Rizin 45 December 31, 2023 1 4:28 Saitama, Japan Lightweight debut. Rizin MMA Special rules (2x5 minutes).
Win 2–1 Takeaki Kinoshita Decision (split) Rizin 43 June 24, 2023 3 5:00 Sapporo, Japan
Win 1–1 Keisuke Okuda TKO (elbows and punches) Rizin Landmark 4 November 6, 2022 1 4:43 Nagoya, Japan
Loss 0–1 Shinobu Ota Decision (unanimous) Rizin 30 September 19, 2021 3 5:00 Saitama, Japan Featherweight debut.

Kickboxing record

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Professional kickboxing record
49 Wins (19 (T)KO's), 10 Losses, 2 Draws
Date Result Opponent Event Location Method Round Time Record
2020-03-22 Win Netherlands Jordann Pikeur K-1: K’Festa 3 Saitama, Japan Decision (Unanimous) 3 3:00 49–10–2
Defends the K-1 World GP Welterweight (-67.5 kg) Championship.
2019-03-10 Win Japan Yasuhiro Kido K-1 World GP 2019: K’FESTA 2 Saitama, Japan Ext.R Decision (Split) 4 3:00 48–10–2
Defends the K-1 World GP Welterweight (-67.5 kg) Championship.
2018-03-21 Win Armenia Melsik Baghdasaryan K-1 World GP 2018: K'FESTA.1 Saitama, Japan Decision (Unanimous) 3 3:00 47–10–2
Defends the K-1 World GP Welterweight (-67.5 kg) Championship.
2017-09-18 Win Nepal Mohan Dragon K-1 World GP 2016 -67.5kg World Tournament, Final Tokyo, Japan Decision (Unanimous) 3 3:00 46–10–2
Wins the K-1 World GP Welterweight (-67.5 kg) World Grand Prix and K-1 World GP Welterweight (-67.5 kg) Championship.
2017-09-18 Win Japan Hitoshi Tsukakoshi K-1 World GP 2016 -67.5kg World Tournament, Semi Finals Tokyo, Japan TKO (2 Knockdowns) 1 2:36 45–10–2
2017-09-18 Win Brazil Minoru Kimura K-1 World GP 2016 -67.5kg World Tournament, Quarter Finals Tokyo, Japan Decision (unanimous) 3 3:00 44–10–2
2017-06-04 Draw Japan Kazuki Yamagiwa Bigbang 29: Road to Unification Tokyo, Japan Decision (Majority) 3 3:00 43–10–2
2017-01-14 Loss China Xie Lei Wu Lin Feng World Championship 2017 Zhengzhou, China Decision (unanimous) 3 3:00 43–10–1
2016-11-02 Win Japan Keita Makihira K-1 World GP in Japan Featherweight Championship Tournament Tokyo, Japan Decision (unanimous) 3 3:00 43–9–1
2016-03-04 Loss Japan Hideaki Yamazaki K-1 World GP 2016 -65kg Japan Tournament, Semi Finals Tokyo, Japan TKO (2 Knockdowns/Hook kick) 3 2:57 42–9–1
2016-03-04 Win Japan Noman K-1 World GP 2016 -65kg Japan Tournament, Quarter Finals Tokyo, Japan Decision (unanimous) 3 3:00 42–8–1
2015-04-19 Loss Japan Yasuomi Soda K-1 World GP 2015 -55kg Championship Tournament Tokyo, Japan Decision (unanimous) 3 3:00 41–8–1
2014-11-03 Loss Thailand Kaew Fairtex K-1 World GP 2014 -65kg Championship Tournament, Semi Finals Tokyo, Japan KO (Right Hook) 2 1:52 41–7–1
2014-11-03 Win Armenia Raz Sarkisjan K-1 World GP 2014 -65kg Championship Tournament, Quarter Finals Tokyo, Japan Decision (Unanimous) 3 3:00 41–6–1
2013-12-21 Loss Morocco Mosab Amrani Glory 13: Tokyo Tokyo, Japan Decision (unanimous) 3 3:00 40–6–1
2013-09-01 Loss Japan Masaaki Noiri Krush.32 Nagoya, Japan Decision (unanimous) 3 3:00 40–5–1
Lost the Krush Welterweight (-67.5 kg) Championship.
2013-05-03 Win Japan Masaaki Noiri Glory 8: Tokyo - 65 kg Slam Tournament, Final Tokyo, Japan Decision (unanimous) 3 3:00 40–4–1
Wins the Glory Featherweight (-65kg) Slam Tournament.
2013-05-03 Win Canada Gabriel Varga Glory 8: Tokyo - 65 kg Slam Tournament, Semi Finals Tokyo, Japan Decision (unanimous) 3 3:00 39–4–1
2013-05-03 Win South Korea Lim Chi-Bin Glory 8: Tokyo - 65 kg Slam Tournament, Quarter Finals Tokyo, Japan KO (body shot) 2 3:00 38–4–1
2013-01-14 Win France Abdellah Ezbiri Krush Grand Prix 2013 ~67 kg Tournament~, Final Tokyo, Japan 2nd Ext.R Decision (unanimous) 5 3:00 37–4–1
Wins the Krush Welterweight (-67.5 kg) Grand Prix and the Krush Welterweight (-67.5 kg) Championship.
2013-01-14 Win Japan Shintaro Matsukura Krush Grand Prix 2013 ~67 kg Tournament~, Semi Finals Tokyo, Japan Decision (unanimous) 3 3:00 36–4–1
2013-01-14 Win Japan TaCa Krush Grand Prix 2013 ~67 kg Tournament~, Quarter Finals Tokyo, Japan KO (body punch) 2 1:43 35–4–1
2012-08-26 Win Japan Yuya Yamato Krush.22 Tokyo, Japan KO (left high kick) 2 0:51 34–4–1
2012-06-08 Win France Abdellah Ezbiri Krush.19 Tokyo, Japan Decision (Unanimous) 3 3:00 33–4–1
2012-02-17 Win France Charles François Krush.16 Tokyo, Japan KO (punch to the body) 2 2:18 32–4–1
Wins ISKA World Light-Welterweight (64.5kg) Championship.
2011-12-31 Win Sweden Nils Widlund Fight For Japan: Genki Desu Ka Omisoka 2011 Saitama, Japan KO (Right High Kick) 3 1:10 31–4–1
2011-11-12 Win France Tristan Benard Krush.13 Tokyo, Japan KO (Right Hook) 3 0:52 30–4–1
2011-09-25 Win Germany Andre Brul K-1 World MAX 2011 -70kg Japan Tournament Final Osaka, Japan Decision (Unanimous) 3 3:00 29–4–1
2011-06-25 Win Japan Koya Urabe K-1 World MAX 2011 –63 kg Japan Tournament Final, Final Shibuya, Tokyo, Japan Decision (Unanimous) 3 3:00 28–4–1
Wins the K-1 World MAX Lightweight (-63 kg) Japan Tournament Title.
2011-06-25 Win Japan Masaaki Noiri K-1 World MAX 2011 –63 kg Japan Tournament Final, Semi-final Shibuya, Tokyo, Japan Decision (Unanimous) 3 3:00 27–4–1
2011-06-25 Win Japan Kizaemon Saiga K-1 World MAX 2011 –63 kg Japan Tournament Final, Quarter-final Shibuya, Tokyo, Japan Decision (Majority) 3 3:00 26–4–1
2011-05-27 Win Thailand Densiam Lukprabaht Survivor -Round.7- Shinjuku, Tokyo, Japan KO (Left hook) 3 0:53 25–4–1
2010-11-08 Win Japan Hiroya K-1 World MAX 2010 -70kg World Championship Tournament Final Sumida, Tokyo, Japan Decision (Unanimous) 3 3:00 24–4–1
2010-07-05 Loss Japan Tetsuya Yamato K-1 World MAX 2010 -63kg Japan Tournament Final, Final Shibuya, Tokyo, Japan KO (Right hook) 3 1:26 23–4–1
The bout was for K-1 World MAX 2010 -63kg Japan Tournament.
2010-07-05 Win Japan Yoshimichi Matsumoto K-1 World MAX 2010 –63 kg Japan Tournament Final, Semi-final Shibuya, Tokyo, Japan KO (Brazilian kick) 1 1:21 23–3–1
2010-07-05 Win Japan Keiji Ozaki K-1 World MAX 2010 –63 kg Japan Tournament Final, Quarter-final Shibuya, Tokyo, Japan Decision (Unanimous) 3 3:00 22–3–1
2010-05-02 Win Japan Taiki Hata K-1 World MAX 2010 -63kg Japan Tournament Final 16, First Round of 22 Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 21–3–1
2010-03-13 Win Japan Junpei Aotsu Krush × Survivor Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 20–3–1
2009-12-09 Win Japan Tsuyoshi M&J Presents Survivor Round.2 Shinjuku, Tokyo, Japan Decision (Unanimous) 3 3:00 19–3–1
2009-11-02 Loss Japan Masahiro Yamamoto Krush Lightweight GP 2009 -Final Round-, Final Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 18–3–1
For the Krush Lightweight Grand Prix Title.
2009-11-02 Win Japan Yosuke Mizuochi Krush Lightweight GP 2009 -Final Round-, Reserve match Bunkyō, Tokyo, Japan Decision (Majority) 3 3:00 18–2–1
2009-09-28 Win Japan Takehiro Murahama M&J Presents Survivor Opening Round.1 Shinjuku, Tokyo, Japan KO (Left cross) 1 2:43 17–2–1
2008-04-29 Draw Japan Takashi Nagatsuka MAJKF "Break Through - 3" Kōtō, Tokyo, Japan Decision (Split) 5 3:00 16–2–1
The bout was for Nagatsuka's title of WMAF World Super featherweight Championship.
2008-01-27 Loss Japan Shunta Ito NJKF "Start Of New Legend" Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 16–2
2007-11-21 Loss Cambodia Nuang Solia Removing Land Mines Charity　Event Cambodia Decision (Unanimous) 5 3:00 16–1
2007-09-02 Win South Korea Soug-Uk Lee NJKF "Fighting Evolution VIII -The Next Generation-" Bunkyō, Tokyo, Japan KO (Left knee shot) 3 2:55 16–0
2007-07-13 Win Thailand Chaichana Patong Gym World Muay Thai Federation Championship Phuket, Thailand KO (Right knee strike) 5 15–0
Wins vacant title of WPMO World Super featherweight Championship.
2007-05-13 Win Thailand Farkamwang SKV Gym NJKF "Fighting Evolution VI" Kōtō, Tokyo, Japan Decision (Majority) 5 3:00 14–0
2007-03-18 Win Japan Nobuhiro Iwai NJKF "Fighting Evolution III -3 Kings Champion Carnival-" Bunkyō, Tokyo, Japan TKO (Cut) 2 1:43 13–0
Wins title of NJKF Featherweight Regular Championship.
2007-01-28 Win South Africa Daniel Mashamaite NJKF "Fighting Evolution II -Muay Thai Open-" Kōtō, Tokyo, Japan Decision (Unanimous) 3 3:00 12–0
2006-12-05 Win Thailand Somdet Por.Pantie Thai King's Birthday Sanam Luang, Thailand KO (Knee shot) 4 11–0
On November 1, 2011, Kubo was sanctioned as the interim NJKF featherweight champion as Nobuhiro Iwai's title had been vacated due to injury.
2006-09-16 Win Thailand Kenpeth Shinongchai Rajadamnern Stadium Bangkok, Thailand KO 3 10–0
2006-09-10 Win Thailand Nichau Sithaikeriangtor Rajadamnern Stadium Bangkok, Thailand TKO 3 9–0
2006-05-03 Win Japan Masato Ōkawa NJKF "Advance IV" Bunkyō, Tokyo, Japan Decision (Unanimous) 5 3:00 8–0
The elimination match to challenge NJKF Featherweight Championship.
2006-03-05 Win Japan Shōgo Kokubun NJKF "Advance II" Bunkyō, Tokyo, Japan Decision (Unanimous) 5 3:00 7–0
2005-11-20 Win Japan Yoshiaki Takano NJKF "Infinite Challenge X" Bunkyō, Tokyo, Japan TKO (Corner stoppage) 4 2:05 6–0
2005-09-24 Win Japan Shōkō NJKF "Infinite Challenge VIII" Bunkyō, Tokyo, Japan KO (Left high kick) 1 2:52 5–0
2005-07-23 Win Japan Kozaru NJKF "Infinite Challenge VII" Bunkyō, Tokyo, Japan KO 3 1:56 4–0
2005-05-03 Win Japan Hiuma NJKF "Infinite Challenge IV" Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 3–0
2005-03-12 Win Japan Thriller Hideo NJKF "Infinite Challenge II" Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 2–0
2005-01-22 Win Japan Shinji Aseishi NJKF "Infinite Challenge I" Bunkyō, Tokyo, Japan Decision (Unanimous) 3 3:00 1–0
Legend:   Win   Loss   Draw/No contest   Notes

See also

[edit]

References

[edit]
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  104. ^ "【K-1】ウェルター級王者・久保優太、残りの格闘技人生のためにもベルトは渡さない！「僕にとってベルトは重いもの。"最低でも勝ち"をテーマにしっかりベルトを守ります」＝3月10..." ゴング格闘技 - GONKAKU. Retrieved 27 December 2023.
  105. ^ "【K-1】久保優太が城戸康裕との激しい延長戦を制しウェルター級王座防衛". eFight【イーファイト】格闘技情報を毎日配信！ (in Japanese). 10 March 2019. Retrieved 27 December 2023.
  106. ^ "【K-1】ピケオー、離婚騒動のあった久保優太に「奥さんとは仲良くやってもらえればと思うがベルトは確実に失う」". ゴング格闘技 - GONKAKU. Retrieved 27 December 2023.
  107. ^ "【K-1】久保優太がピケオーに日本人初勝利で3度目の防衛に成功（動画あり）". eFight【イーファイト】格闘技情報を毎日配信！ (in Japanese). 22 March 2020. Retrieved 27 December 2023.
  108. ^ "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.
  109. ^ "【RIZIN】元K-1王者の久保優太、ぱんちゃん璃奈ら初参戦、久保は"忍者レスラー"太田忍とMMA戦". news.yahoo.co.jp. Retrieved 11 August 2021.
  110. ^ "【RIZIN】太田忍がMMA初勝利「塩試合みたいになってしまいましたが」、元K-1王者・久保優太は打撃活かせず". news.yahoo.co.jp. Retrieved 19 September 2021.
  111. ^ "シバターvs.久保がMMA特別ルールで対戦！Yogibo presents RIZIN.33追加カード - RIZIN FIGHTING FEDERATION オフィシャルサイト". jp.rizinff.com. Retrieved 2021-12-27.
  112. ^ "【ＲＩＺＩＮ】シバター「ユーチューバーは強いんだ」久保優太に一本勝ち - 格闘技 : 日刊スポーツ". nikkansports.com (in Japanese). Retrieved 2021-12-31.
  113. ^ "【RIZIN】平本蓮が弥益ドミネーターを空手＆ケージDFでドミネートし判定勝ち、鈴木千裕が今成越え、元谷が倉本と大激闘、SARAMIが魂のテイクダウンでラーラを下す、中村が征..." ゴング格闘技 - GONKAKU. Retrieved 2022-11-06.
  114. ^ "【RIZIN】王座剥奪のクレベルが鈴木千裕を腕十字葬で「次タイトルマッチを」、矢地がゼインに完勝、上田が関根をMMA空手でKO、"怪物くん"鈴木が西谷を失神TKO、ヒジ打ち梅..." ゴング格闘技 - GONKAKU. Retrieved 2023-06-25.
  115. ^ "【RIZIN】安保瑠輝也、大みそかで急きょMMAデビュー！ 対戦相手は元K-1王者・久保優太". ORICON NEWS. 10 December 2023. Retrieved 10 December 2023.
  116. ^ 格闘技情報を毎日配信！, eFight 【イーファイト】 (31 December 2023). "【RIZIN】安保瑠輝也、MMAデビューは悔しい一本負け、久保優太に"自身予告"のチョークでタップ！". eFight【イーファイト】格闘技情報を毎日配信！ (in Japanese). Retrieved 2024-02-19.
  117. ^ 格闘技情報を毎日配信！, eFight 【イーファイト】 (2024-03-23). "【RIZIN】久保優太が4連勝！高橋遼伍との打撃戦を制す＝試合結果". eFight【イーファイト】格闘技情報を毎日配信！ (in Japanese). Retrieved 2024-06-09.
  118. ^ "【SUPER RIZIN03】斎藤裕戦へ、久保優太「向き合った人にしか分からない恐怖を与えることができる」". MMAPLANET. Retrieved 25 August 2024.
  119. ^ "【超RIZIN】久保優太が斎藤裕をKOできた理由を明かす、そして「僕は絶対にRIZINフェザー級王者になります」と断言（ゴング格闘技）". Yahoo!ニュース (in Japanese). Retrieved 25 August 2024.
  120. ^ a b c "(レポ＆写真) [NJKF] 1.15 後楽園：岩井＆高橋、ノンタイトル戦で完勝".
  121. ^ "[NJKF] 2006年年間表彰に洋平・米田ら勢揃い｜藤田理事長退任".
  122. ^ "[NJKF] 2007年度MVPは前田浩喜。最高試合賞にTOMONORI".
[edit]
Sporting positions
Preceded by
Inaugural
 Krush Welterweight Champion
January 14, 2013–September 1, 2013 		Succeeded by
Preceded by
Inaugural
 K-1 World GP Welterweight Champion
September 18, 2017–August 20, 2020
Vacated 		Succeeded by
Masaaki Noiri
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