Issei Ishii

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Issei Ishii
Born (1998-09-15) September 15, 1998 (age 25)
Fukuoka, Japan
Other namesSunrise Prince
Issei Wor.Wanchai (อิเซ ว.วันชัย)
NationalityJapanese
Height1.65 m (5 ft 5 in)
Weight53 kg (117 lb; 8.3 st)
DivisionFlyweight
StyleMuay Thai, Kickboxing
StanceOrthodox
Fighting out ofTokyo, Japan
TeamTokyo KBA
Team Warugaki
Excidecon Gym
Wor.Wanchai
Years active2013 - present
Kickboxing record
Total63
Wins44
By knockout22
Losses15
By knockout1
Draws4
Websitehttps://ishii-issei.com/
Last updated on: December 12, 2020

Issei Ishii (石井一成, Ishii Issei, born September 15, 1998) is a Japanese kickboxer and Muay Thai fighter, currently competing in the bantamweight division of K-1.

Martial arts career[edit]

KNOCK OUT[edit]

Ishii faced the one-time Lumpinee Stadium flyweight title challenger Kazuki Osaki for the inaugural KNOCK OUT Flyweight championship at KING OF KNOCK OUT 2018 on December 9, 2018. He won the fight by majority decision, with all three judges scoring the bout 49–48 in his favor.[1]

Ishii faced Yoddoy Kaewsamrit for the WPMF World Flyweight championship in his next fight, at KODO 4 on February 24, 2019.[2] He won the fight by a third-round technical knockout.

After capturing the KNOCK OUT and WPMF titles, Ishii fought Petchthailand Moopingaroijung for the vacant IBF Muay Thai World Flyweight title at the June 12, 2019 Suk Wan Kingthong event. He won the fight by a third-round knockout, stopping Petchthailand with a spinning backfist at the very end of the round.[3] Petchthailand and Ishii fought an immediate rematch at the August 9, 2019 True4U event, with the WBC Muay Thai World Super Flyweight title on the line. Ishii lost the fight by decision, with scores of 48–49, 47–49 and 47–50.[4]

Ishii faced Nuapetch KelaSport in a non-title bout at the November 13, 2019 Suk Wan Kingthong event. He won the fight by third-round technical knockout.[5]

Battle of Muaythai[edit]

Ishii was booked to face Hiroyuki for the Battle of Muay Thai Super Flyweight title at BOM WAVE 01 ~ Get Over The COVID-19 on June 28, 2020. He won the fight by unanimous decision, with two judges scoring the bout 49–47 in his favor, while the third judge scored the bout 50–47 in his favor.[6]

Ishii faced Yuya Iwanami in a non-title bout at NO KICK NO LIFE ~Shin Shou~ Diamond FES on October 29, 2020. He won his promotional debut by a second-round technical knockout, after he forced Iwanami's corner to throw in the towel.[7]

Ishii made his first BoM Super Flyweight title defense against Satoshi Katashima at BOM WAVE 01 ~ Get Over The COVID-19 on December 6, 2020. Aside from Ishii's title, the WPMF World Super Flyweight title was on the line as well. Ishii won the fight by unanimous decision, with scores of 50–46, 49–48 and 49–47.[8]

Ishii faced Reiya in a non-title bout at NO KICK NO LIFE ~Shin Shou~ Ungaisouten on February 24, 2021. He won the fight by unanimous decision, with all three judges awarding him a 30–28 scorecard.[9][10] Ishii faced Sanchai TeppenGym in another non-title bout at BOM WAVE 04 – Get Over The COVID-19 on April 11, 2021. He won the fight by a fourth-round knockout.[11]

Ishii was booked to face Kazuki Osaki at RISE WORLD SERIES 2021 on July 18, 2021, in the semifinals of the 2021 RISE Dead or Alive super flyweight tournament. The winner of the tournament was expected to face Tenshin Nasukawa in his final bout with the promotion.[12] Ishii lost his RISE debut by unanimous decision, with scores of 29-28, 29-28 and 29-27.[13]

Ishii returned to Battle of Muaythai for his next fight, a non-title bout against Kojima Nor.Naksin at BOM WAVE 06 – Get Over The COVID-19 on November 7, 2021. He won the fight by unanimous decision, with all three judges scoring it 49–48 for Ishii.[14]

On January 9, 2021 Ishii faced Ryu Hanaoka at the NO KICK NO LIFE event. He lost by unanimous decision after five rounds.[15]

Ishii faced Khun Namisan Shobukai at BOM WAVE 08 – Get Over The COVID-19 on April 24, 2022, in his final fight with the promotion before signing with K-1. He won the fight by a second-round knockout.[16]

K-1[edit]

On June 14, 2022, it was revealed that Ishii had signed with K-1. He was booked to make his promotional debut against Kazuki Fujita at K-1 World GP 2022 in Fukuoka on August 11, 2022.[17] Ishii won the fight by a third-round knockout, flooring Fujita with a right straight at the 2:41 minute mark of the round.[18]

Ishii faced Detchphet Wor.Sangprapai for the vacant WBC MuayThai World Super Flyweight title at The Battle of Muay Thai "OUROBOROS" on September 23, 2022.[19] He won the fight by knockout in the first round with a series of left hooks.[20]

Ishii faced the undefeated WKA World -54 kg champion Oscar Bohorquez in the quarterfinals of the 2022 K-1 Bantamweight World Grand Prix. The one-day tournament, held to crown the inaugural K-1 bantamweight champion, was held at K-1 World GP 2022 in Osaka on December 3, 2022.[21] He forced a referee stoppage with a flurry of punches with 13 seconds left in the second round and advanced to the semifinals, where he faced the reigning Krush Bantamweight champion Koji Ikeda.[22] Ishii won the fight by unanimous decision, with scores of 30–29, 30–29 and 30–28. He advanced to the finals, where he faced the 2021 K-1 Japan Grand Prix winner Toma Kuroda.[23] He lost the fight by split decision, after an extra fourth round was contested.[24]

Ishii faced Yodsila Chor.Hapayak at K-1 World GP 2023: K'Festa 6 on March 12, 2023.[25] Originally a unanimous decision loss for Ishii,[26] the bout was later changed to a technical draw due to the second round knockdown being against the rules as it followed an illegal kick catch. The bout was rejudged without taking consideration of the second round and was declared a majority draw.[27]

Ishii was expected to face Puen Sakyothin at BOM 40 on May 14, 2023.[28] Puen withdrew from the bout on May 5, due to visa issues, and was replaced by Wasinchai SomsakKorsang.[29] He won the fight by a first-round knockout.[30]

Ishii made his Rajadamnern World Series debut against Eaktawan Sitcharnsing on July 22, 2023. He won the fight by a first-round knockout.[31] Ishii made his next Rajadamnern World Series appearance against JJ Or.Pimonsri on September 9, 2023. He won the fight by a second-round knockout.[32]

Ishii faced Pangtor Por.Lakboon at an October 28, 2023, Rajadamnern World Series event. He lost the fight by unanimous decision.[33]

Ishii challenged the K-1 Bantamweight champion Toma Kuroda at K-1 ReBIRTH 2 on December 9, 2023.[34] He lost the fight by unanimous decision.[35]

Ishii faced Nampetch Chor.Champion at TOP BRIGHTS 1 on January 21, 2024.[36] He won the fight by a first-round knockout.[37]

Ishii faced Ryuki Matsuda at a Rajadamnern World Series Japan on April 14, 2024.[38]

Championships and accomplishments[edit]

Amateur[edit]

  • 2010 WINDY Super Fight -30 kg Champion
  • 2010 M-1 -35 kg Champion
  • 2010 King of Strikers -35 kg Champion
  • 2011 Windy Super Fight -35 kg Champion
  • 2011 TRIBELATE -35 kg Champion
  • 2011 M-1 Junior -35 kg Champion[39]
  • 2011 King of Strikers -40 kg Champion
  • 2012 Windy Kick Jr 40 kg Champion[40]
  • 2013 GLADIATOR Kick Jr 45 kg[41]
  • 2013 Trang Province 45 kg Champion[42]

Professional[edit]

  • Punpanmuang
    • 2014 Punpanmuang Mini Flyweight Champion[43]
  • True4U Muaymanwansuk
    • 2017 True4U Flyweight Champion[44]
  • KNOCK OUT
    • 2018 KING OF KNOCK OUT Flyweight Champion[45]
  • International Boxing Federation Muaythai
    • 2019 IBF Muay Thai World Flyweight Champion[46]
  • World Professional Muaythai Federation
    • 2019 WPMF World Flyweight Champion[47]
    • 2020 WPMF World Super Flyweight Champion[48]
  • The Battle of Muay Thai
    • 2020 Battle of Muay Thai Super Flyweight Champion (1 defense)
  • World Boxing Council MuayThai
    • 2022 WBC MuayThai World Super Flyweight Champion[49]
  • K-1
    • 2022 K-1 Bantamweight World Grand Prix Runner-up

Fight record[edit]

Muay Thai and Kickboxing record
44 Wins (22 (T)KOs), 15 Losses, 4 Draws
Date Result Opponent Event Location Method Round Time
2024-04-14 Draw Japan Ryuki Matsuda Rajadamnern World Series Japan Chiba, Japan Decision 3 3:00
2024-03-09 Win Thailand Kongpayak Por.Lakboon Rajadamnern World Series Bangkok, Thailand KO (Left hook) 1 111
2024-01-21 Win Thailand Nampetch Chor.Champion TOP BRIGHTS 1 Tokyo, Japan KO (Spinning back kick) 1 1:50
2023-12-09 Loss Japan Toma Kuroda K-1 ReBIRTH 2 Osaka, Japan Decision (Unanimous) 3 3:00
For the K-1 Bantamweight (-53kg) title.
2023-10-28 Loss Thailand Pangtor Por.Lakboon Rajadamnern World Series Bangkok, Thailand Decision (Unanimous) 3 3:00
2023-09-09 Win Thailand JJ Or.Pimonsri Rajadamnern World Series Bangkok, Thailand KO (Right cross) 2 0:44
2023-07-22 Win Thailand Eaktawan Sitcharnsing Rajadamnern World Series Bangkok, Thailand KO (Left hook to the body) 1 2:49
2023-05-14 Win Thailand Wasinchai SomsakKorsang BOM 40 Fukuoka, Japan KO (Low kick) 1 2:00
2023-03-12 Draw Thailand Yodsila Chor.Hapayak K-1 World GP 2023: K'Festa 6 Tokyo, Japan Technical Draw (Majority) 3 3:00
2022-12-03 Loss Japan Toma Kuroda K-1 World GP 2022 in Osaka Bantamweight World Grand Prix, Final Osaka, Japan Ext.R Decision (Split) 4 3:00
For the inaugural K-1 Bantamweight (-53 kg) title.
2022-12-03 Win Japan Koji Ikeda K-1 World GP 2022 in Osaka Bantamweight World Grand Prix, Semi Final Osaka, Japan Decision (Unanimous) 3 3:00
2022-12-03 Win Ecuador Oscar Bohorquez K-1 World GP 2022 in Osaka Bantamweight World Grand Prix, Quarter Final Osaka, Japan TKO (Referee stoppage) 2 2:47
2022-09-23 Win Thailand Detchphet Wor.Sangprapai The Battle of Muay Thai "OUROBOROS" Tokyo, Japan KO (Left hook to the body) 1 1:03
Wins the vacant WBC MuayThai World Super Flyweight title.
2022-08-11 Win Japan Kazuki Fujita K-1 World GP 2022 in Fukuoka Fukuoka, Japan KO (Right straight) 3 2:41
2022-06-26 Win Thailand Khunsuk Sor.Dechaphan Suk Wan Kingthong "to challenge" Tokyo, Japan Decision (Unanimous) 5 3:00
2022-04-24 Win Thailand Khun Namisan Shobukai BOM WAVE 08 – Get Over The COVID-19 Beppu, Japan KO (Left hook) 2 0:54
2022-01-09 Loss Japan Ryu Hanaoka NO KICK NO LIFE Tokyo, Japan Decision (Unanimous) 5 3:00
2021-11-07 Win Japan Kojima Nor.Naksin BOM WAVE 06 – Get Over The COVID-19 Yokohama, Japan Decision 5 3:00
2021-07-18 Loss Japan Kazuki Osaki RISE WORLD SERIES 2021 - Dead or Alive Tournament, Quarter Final Osaka, Japan Decision (Unanimous) 3 3:00
2021-04-11 Win Thailand Sanchai TeppenGym BOM WAVE 04 – Get Over The COVID-19 Yokohama, Japan KO (Kick to the body) 4 2:30
2021-02-24 Win Japan Reiya NO KICK NO LIFE ~Shin Shou~ Ungaisouten Tokyo, Japan Decision (Unanimous) 5 3:00
2020-12-06 Win Japan Satoshi Katashima BOM WAVE 01 ~ Get Over The COVID-19 Tokyo, Japan Decision (Unanimous) 5 3:00
Wins WPMF World Super Flyweight title and defends the Battle of Muay Thai Super Flyweight title.
2020-10-29 Win Japan Yuya Iwanami NO KICK NO LIFE ~Shin Shou~ Tokyo, Japan TKO (Corner stoppage/Elbow) 2 2:09
2020-06-28 Win Japan Hiroyuki BOM WAVE 01 ~ Get Over The COVID-19 Tokyo, Japan Decision (Unanimous) 5 3:00
Wins the Battle of Muay Thai Super Flyweight title.
2019-11-13 Win Thailand Nuapetch KelaSport Suk Wan Kingthong Tokyo, Japan TKO (Right cross) 3 1:48
2019-08-09 Loss Thailand Petchthailand Moopingaroijung True4u Lumpinee Stadium Bangkok, Thailand Decision (Unanimous) 5 3:00
For the WBC Muay Thai World Super Flyweight title.
2019-06-12 Win Thailand Petchthailand Moopingaroijung Suk Wan Kingthong Tokyo, Japan KO (Spinning back kick) 3 3:06
Wins the vacant IBF Muay Thai World Flyweight Title.
2019-02-24 Win Thailand Yoddoy Kaewsamrit KODO 4 Oita, Japan TKO (Low kicks + Punches) 3
Wins the WPMF World Flyweight Title.
2018-12-09 Win Japan Kazuki Osaki KING OF KNOCK OUT 2018 Tokyo, Japan Decision (Majority) 5 3:00
Wins the inaugural KNOCK OUT Flyweight Title.
2018-10-07 Win Japan Taiga Nakayama KNOCK OUT 2018 cross over Tokyo, Japan TKO (Doctor stoppage) 3 2:04
2018-08-19 Win Japan Jin Mandokoro KNOCK OUT SUMMER FES.2018 Tokyo, Japan Decision (Unanimous) 5 3:00
2018-05-06 Win Japan Daishin Sakai Rizin 10 Tokyo, Japan Decision (Unanimous) 3 3:00
2018-02-12 Win Thailand Nong Rose Banjaroensuk KNOCK OUT First Impact Tokyo, Japan KO (Punch to the body) 2
2017-12-10 Win Japan Tatsuya Noto KING OF KNOCK OUT 2017 Tokyo, Japan Decision (Unanimous) 5 3:00
2017-10-15 Loss Japan Jin Mandokoro Rizin World Grand Prix 2017: Opening Round - Part 2 Fukuoka, Japan Decision (Majority) 3 3:00
2017-08-06 Win Thailand Petek Sor.Saknarin Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2017-06-17 Loss Japan Tatsuya Noto KNOCK OUT vol.3 Tokyo, Japan TKO (Punches) 1 1:53
2017-05-05 Loss Thailand Senson Erawan True4U, Rangsit Stadium Rangsit, Thailand Decision 5 3:00
Loses the True4u Flyweight Title.[50]
2017-04-01 Win Japan Naoya Yajima KNOCK OUT vol.2 Tokyo, Japan Decision (Majority) 5 3:00
2017-02-17 Win Thailand Senson Erawan True4U, Rangsit Stadium Rangsit, Thailand Decision 5 3:00
Wins the True4u Flyweight Title.
2017-01-17 Win Thailand Chaimongkon Suknoigym Muaymanwasuk, Rangsit Stadium Rangsit, Thailand KO (Right elbow) 3
2016-12-28 Win Thailand Panlangun Or Wittachai Suk Yodo Muay Thai Hilux Vigo Saraburi Province, Thailand TKO (Low kicks) 5 3:00
2016-11-16 Win Thailand Supernew Sor-Jor-Benspatchinburi Suk Yodo Muay Thai Hilux Revo / True4u Ayutthaya Province, Thailand TKO (Low kicks) 2
2016-09-30 Win Thailand Ningnoi Sikrufaew Rangsit Stadium / True4u Rangsit, Thailand TKO (Punches) 2
2016-07-30 Win Thailand Petnamnen Sitjomyut Siam Omnoi Boxing Stadium Samut Sakhon, Thailand TKO 4
2016-06-19 Win Thailand Tapnar Sor.Waritar Wanchai+Kingthong Rajadamnern Stadium Bangkok, Thailand KO 3 2:37
2016-05-08 Win Thailand Petek Sor.Saknarin Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2016-04-13 Loss Thailand Neonar Sisonram Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2016-03-21 Win Thailand Petek Sor.Saknarin Suk Yodo Muay Thai Hilux Vigo Saraburi Province, Thailand Decision 5 3:00
2015-12-17 Loss Thailand Weeraponlek Kiatkonpon Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2015-10-29 Loss Thailand Pepsi Kiatbanbai Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2015-09-17 Win Thailand Panpon Sor.Warisattar Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2015-08-03 Loss Thailand Panpon Sor.Warisattar Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2015-06-06 Win Thailand Ekdecha Simnam Lumpinee Stadium Bangkok, Thailand Decision 5 3:00
2015-05-10 Draw Japan Kazuki Osaki Wanchai + PK MuayThai Super Fight Nagoya, Japan Decision 3 3:00
2015-02-23 Loss Thailand Petnakon Sor.Siripun Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2014-12-27 Draw Japan Kazuki Osaki Hoost Cup FOREVER Nagoya, Japan Decision 3 3:00
2014-08-23 Loss Thailand Newsemsan Nondengym Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2014-07-31 Win Thailand Parandet Sor.Petpubmee Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2014-07-04 Win Thailand Bualuang Sitjakong Lumpinee Stadium Bangkok, Thailand Decision 5 3:00
2014-05-05 Win Thailand Makamlek Lukmakamwhan Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2014-03-21 Win Thailand Kaichon Kaikanpon TRIBELATE vol.42 × Pumpanmuang Tokyo, Japan TKO 3 1:39
Wins the Punpanmuang Mini Flyweight Title.
2013-09-02 Win Thailand Phetpotong Lukmoo4 Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2013-08-04 Win Thailand Phetpotong Lukmoo4 Rajadamnern Stadium Bangkok, Thailand Decision 5 3:00
2013-03-30 Win Thailand Daoplasuk Or.Bor.Tor Koskorn Suk Wan Sor.Dedamrong + Chetunwa Trang Province, Thailand TKO (Right cross) 1
Wins the Trang Province 45kg title.
Legend:   Win   Loss   Draw/No contest   Notes
Amateur Kickboxing record (incomplete)
71 Wins, 20 Losses, 10 Draws
Date Result Opponent Event Location Method Round Time
2013-03-16 Win Thailand Kasem Kalamram 5th Muay Thai World Championship, Final Bangkok, Thailand Decision 3 1:30
Wins Muay Thai World Championship Cadet (U-15) 45kg Gold Medal.
2013-02-24 Win Korea Kim Hyun Song GLADIATOR 51 Fukuoka, Japan TKO 1 1:30
Wins GLADIATOR Jr 45kg title.
2012-12-24 Win Japan Japan Amateur Muaythai 2013 WMF World Championships Qualifying Competition Tokyo, Japan
2012-08-26 Loss Thailand Kaipet Suwan-Aharn-Peekmai JKMO - Japan Kick Muay Thai event Tokyo, Japan Extra Round Decision
For the JKMO 40kg title.
2012-08-12 Loss Thailand Kaipet Suwan-Aharn-Peekmai Windy Kick Japan vs Thailand Saraburi Province, Thailand Decision
2012-07-22 Win Japan Reiji Hazuma GLADIATOR 39 Fukuoka Prefecture, Japan Decision 3 3:00
2012-07-01 Win Japan Takuma Oota Muay Thai WINDY Super Fight in NAGOYA～MuayThaiphoon!～ Nagoya, Japan KO (Front Kick) 1
2012-06-10 Win Japan Kosuke Yamada Muay Thai WINDY Super Fight vol.12 Saraburi Province, Thailand Decision 5 1:30
Defends the Windy Kick Jr 40kg title.
2012-04-07 Loss Thailand Samingdam Sor.Kittibam Trang Province, Thailand Decision 5
2012-03-12 Win Japan Muay Thai WINDY Super Fight Tokyo, Japan Decision
Wins the Windy Kick Jr 40kg title.
2012-02-26 Draw Thailand Chopperbank Rachanon Pattaya, Thailand Decision 5
2011-12-18 Loss Thailand Apichit Muay Thai WINDY Super Fight vol.10 2011 FINAL Tokyo, Japan Decision (Split) 5 1:30
For the WINDY Super Fight International -40kg title.
2011-11-19 Win Japan Chikara Iwao TRIBELATE vol.35 -Title Match Festival- Tokyo, Japan Ext.R Decision (Split) 3 2:00
2011-10-10 Win Japan Hikaru Fujimoto KING OF STRIKERS Round 6 Fukuoka Prefecture, Japan Ext.R Decision 3 2:00
Wins the King of Strikers Jr -40kg title.
2011-09-23 Win Japan Daigo Sunaga Muay Thai WINDY Super Fight vol.9 Nagoya, Japan Decision (Unanimous) 5 1:30
2011-07-31 Win Japan Kunito Tsuchiya Muay Thai WINDY Super Fight vol.8 Tokyo, Japan Decision 2
Wins Windy SUper Fight -35kg title.
2011-07-16 Win Japan Chikara Iwao TRIBELATE vol.33 Tokyo, Japan Decision 3 2:00
Wins TRIBELATE -35kg title.
2011-07-03 Win Japan Kouki Yamada Muay Thai WINDY Super Fight in NAGOYA ～Muay Tyhoon!～ Nagoya, Japan Decision (Unanimous) 2 2:00
2011-06-19 Win Japan Shota Kuroki M-1 FAIRTEX SINGHA BEERMuay Thai Challenge Tokyo, Japan Decision 2 3:00
Wins the M-1 Junior -35kg title.
2011-04-10 Win Japan Yuki Kono KING OF STRIKERS Round 4 Fukuoka Prefecture, Japan KO 3
2011-01-10 Win Japan Rikuto Tsuyama M-1 Muay Thai Amateur Kyushu Fukuoka Prefecture, Japan KO 2
2010-11-07 Loss Japan Chikara Iwao Muay Thai WINDY Super Fight vol.5 2010 FINAL Tokyo, Japan Decision (Majority) 2
For the Windy SUper Fight -35kg title.
2010-09-19 Loss Japan Shota Kuroki Muay Thai WINDY Super Fight vol.4 Tokyo, Japan Decision
2010-06-14 Win Japan Muay Thai WINDY Super Fight Vol.3 Tokyo, Japan Decision
Wins Windy SUper Fight -30kg title.
2010-03-04 Loss Japan Takahito Yamada Muay Thai WINDY Super Fight Vol.2 Tokyo, Japan Decision
For the Windy SUper Fight -30kg title.
2010-02-13 Win Thailand Denwanchai Wor.Wanchai Muay Thai WINDY Super Fight in Kyushu Kyushu, Japan KO (Right Cross) 3
Legend:   Win   Loss   Draw/No contest   Notes

See also[edit]

References[edit]

  1. ^ "KNOCK OUT 12.9 両国国技館：石井一成、大崎一貴に判定勝ちしフライ級王者に。不可思が辛勝、海人は圧勝。ライト級アジアT 重森陽太と町田光が初戦敗退". boutreview.com. Retrieved 14 July 2022.
  2. ^ "【KNOCK OUT】KNOCK OUT＆WPMF世界フライ級王者・石井一成が、"リトルサイボーグ"タネヨシホと対戦！＝4.29『KNOCK OUT 2019 SPRING「THE FUTURE IS IN THE RING」』ベルサール高田馬場". gonkaku.jp. Retrieved 14 July 2022.
  3. ^ "【スックワンキントーン】石井一成がIBFムエタイ世界王座を獲得、バックスピンキックで鮮やかKO勝ち". gonkaku.jp. Retrieved 14 July 2022.
  4. ^ "【海外ムエタイ】石井一成が首相撲を崩せず敗北、リベンジ許しWBC王座獲得ならず". efight.jp. Retrieved 14 July 2022.
  5. ^ "【スックワンキントーン】石井一成が豪快KO勝利で再起、小嶋はIBFのベルトを逃す". efight.jp. Retrieved 14 July 2022.
  6. ^ "【BOM】石井一成がBOMスーパーフライ級王者に！ 名高が完勝。佐藤九里虎、稔之晟がWMC日本王座獲得". gonkaku.jp. Retrieved 14 July 2022.
  7. ^ "NO KICK NO LIFE 10.29 渋谷O-EAST：石井一成、岩浪悠弥を2R肘でKO。福田海斗、本場タイ仕込みの肘膝で馬渡亮太を圧倒". boutreview.com. Retrieved 14 July 2022.
  8. ^ "【BOM】石井一成がダウン奪う完勝でWPMF世界王座獲得、梅野源治が大流血、タイの毒針エルボーに敗れる＝第2部". efight.jp. Retrieved 14 July 2022.
  9. ^ "【NO KICK NO LIFE】石井一成がヒジで流血のピンチも猛攻で勝利をもぎ取る、宮元啓介は加藤有吾の強打を技術で封じる、若き怪物対決は士門が勝利". gonkaku.jp. Retrieved 14 July 2022.
  10. ^ "【NO KICK NO LIFE】石井一成、カット流血も怒涛の連打で勝利！宮元啓介が"三日月蹴り"ボディ攻めで競り勝つ". efight.jp. Retrieved 14 July 2022.
  11. ^ "【BOM】梅野源治がキヨソンセンに完勝しリベンジ果たす、石井一成がボディ攻め鮮烈KO勝利=4.11第2部". efight.jp. Retrieved 14 July 2022.
  12. ^ "【RISE】石井一成、4度目の対決となる大﨑一貴へ「打ち勝ちます」と真っ向勝負宣言、T制覇の先に見据えるは那須川天心戦". efight.jp. Retrieved 14 July 2022.
  13. ^ "【RISE】大崎一貴が石井一成からダウンを奪って勝利、志朗は延長戦で滉大をダウンさせ振り切る、風音が江幡睦を破る番狂わせ、政所仁も田丸辰をダウンさせる". gonkaku.jp. Retrieved 14 July 2022.
  14. ^ "【BOM】イッセイ（石井一成）がヒジカットなど圧倒的な打撃力で勝利、ムエタイ美女・伊藤紗弥が新王者に". efight.jp. Retrieved 14 July 2022.
  15. ^ "NO KICK NO LIFE 1.9（昼）ニューピアホール（レポ）：18歳の花岡竜、石井一成を圧倒し判定勝ち。". boutreview.com. Retrieved 10 January 2022.
  16. ^ "【BOM】石井一成と吉成名高がKOの共演、石井は「残りの格闘技人生に全てを懸けて挽回して格闘技を盛り上げていく」". gonkaku.jp. Retrieved 14 July 2022.
  17. ^ "ムエタイ6冠王の石井一成がK-1電撃参戦「僕がK-1のバンタム級を作っていきたい」【K-1福岡】". tokyoheadline.com. Retrieved 14 July 2022.
  18. ^ "【K-1】ムエタイ王者・石井一成が初参戦で藤田和希をKO、最強の侵略者がK-1を席巻". efight.jp. Retrieved 11 August 2022.
  19. ^ "【BOM】衝撃のK-1デビューはたした石井一成が、WBC世界Sフライ級王座決定戦に出場＝9.23". efight.jp. Retrieved 17 August 2022.
  20. ^ "【BOM】石井一成、現ラジャトップランカーを秒殺KOでWBC世界王座奪取". efight.jp. Retrieved 23 September 2022.
  21. ^ Pico, Borna (14 October 2022). "K-1 Announces Inaugural Bantamweight Grand Prix for Dec. 3". beyondkick.com. Retrieved 14 October 2022.
  22. ^ "【K-1】"ムエタイ8冠"石井一成が準決勝進出". news.yahoo.co.jp. Retrieved 3 December 2022.
  23. ^ "【K-1】石井一成が判定勝利、池田幸司との壮絶な打ち合いを制して決勝へ！". news.yahoo.co.jp. Retrieved 3 December 2022.
  24. ^ "黒田斗真が左腕を骨折しながらも3試合勝ち抜き初代バンタム級王座獲得「見たか！　ボケー！」【K-1】". tokyoheadline.com. Retrieved 4 December 2022.
  25. ^ "【K-1】石井一成、強豪ヨーシラーと"ムエタイ"対決「攻めて攻めて、攻めまくって倒しに行く」". efight.jp. Retrieved 28 January 2023.
  26. ^ "【K-1】石井一成がヨーシラーに敗戦、疑惑の"ダウンシーン"に". news.yahoo.co.jp. Retrieved 12 March 2023.
  27. ^ "【K-1】問題のダウンが覆る、石井一成vsヨーシラーの判定結果がテクニカルドローに変更". efight.jp. Retrieved 30 March 2023.
  28. ^ "【BOM】WBCムエタイ世界スーパーフライ級王者になった石井一成が地元福岡に凱旋試合". gonkaku.jp. Retrieved 14 April 2023.
  29. ^ "【BOM】石井一成の対戦相手がMAX MUAYTHAI2階級制覇に変更、同日東京で行われる吉成名高の試合を会場で生中継". gonkaku.jp. Retrieved 5 May 2023.
  30. ^ "【BOM】石井一成、地元ファンの前でムエタイ戦士を瞬殺KO！強烈ローでなぎ倒す「年内にK-1ベルト獲る」". efight.jp. Retrieved 10 September 2023.
  31. ^ "RWS（ラジャダムナン・ワールド・シリーズ）ライト級リーグ戦 松井蓮汰 判定敗で決勝リーグ進出ならず！石井一成KO勝！上野優翔 判定敗". 週刊ファイト (in Japanese). 23 July 2023. Retrieved 10 September 2023.
  32. ^ "【RWS】石井一成、豪快ストレートで逆転KO勝ち！相手は衝撃の失神ダウン". efight.jp. Retrieved 10 September 2023.
  33. ^ "RWS 10.28 ラジャダムナン（レポ）：K-1黒田戦控える石井一成、ラジャ現王者に1Rにダウン奪われ肘で切られ判定負け。奥脇竜哉、プロムエタイ協会暫定王者に判定負け | BOUTREVIEW". boutreview.com (in Japanese). 28 October 2023. Retrieved 1 November 2023.
  34. ^ "黒田斗真が石井一成相手に初防衛戦。1年前の王座決定トーナメント決勝のリマッチ【K-1】 | TOKYO HEADLINE". tokyoheadline.com (in Japanese). 11 October 2023. Retrieved 11 October 2023.
  35. ^ "【K1】バンタム級王者黒田斗真が判定で石井一成に勝利し初防衛「日本人の相手いない。来年海外」 - 格闘技 : 日刊スポーツ". nikkansports.com (in Japanese). Retrieved 9 December 2023.
  36. ^ "【TOP BRIGHTS】日本vs.タイの5vs.5対抗戦に吉成名高、石井一成、羅向、伊藤紗弥、朝陽が出撃。タイチームも強豪ぞろい". ゴング格闘技 - GONKAKU. Retrieved 9 January 2024.
  37. ^ "【TOP BRIGHTS】石井一成がバックスピンキックで"鮮烈KO"勝ち、ムエタイ強豪の脇腹にグサリ！ (イーファイト)". Yahoo!ニュース (in Japanese). Retrieved 22 January 2024.
  38. ^ "【RWS】3連続KOを目指す「やっぱり"ムエタイの石井一成"は違うなというところを見せます！」". ゴング格闘技 - GONKAKU. Retrieved 3 April 2024.
  39. ^ "GBR>試合結果>【M-1アマチュア】テレビで話題の"ポスト魔裟斗"石井一成がジュニア王者に輝く".
  40. ^ "『タイトルマッチ・結果！』". 石井一成 世界王者への道 KING OF MUAYTHAI.
  41. ^ "『試合結果とお礼！』". 石井一成 世界王者への道 KING OF MUAYTHAI.
  42. ^ "『【スックワン ソー・デッダムロン＋チェットトゥンワー】タイ南部45kg王者決定戦！』". 石井一成 世界王者への道 KING OF MUAYTHAI.
  43. ^ "『試合結果と御礼！』". 石井一成 世界王者への道 KING OF MUAYTHAI.
  44. ^ 格闘技情報を毎日配信！, eFight 【イーファイト】. "【ムエタイ】天才高校生・石井一成がタイで王座獲得、KNOCK OUT参戦へ". eFight 【イーファイト】 格闘技情報を毎日配信！.
  45. ^ Aittama, Zach. "KING OF KNOCK OUT 2018 Results".
  46. ^ "None".
  47. ^ 格闘技情報を毎日配信！, eFight 【イーファイト】. "【KODO】KNOCK OUT王者・石井一成、KO勝ちでWPMF世界王座獲得". eFight 【イーファイト】 格闘技情報を毎日配信！.
  48. ^ "【BOM】石井一成がダウン奪う完勝でWPMF世界王座獲得、梅野源治が"毒針"キヨソンセンに痛恨の敗北＝第2部". www.efight.jp.
  49. ^ "ISSEI FULFILLS A LIFETIME AMBITION IN TOKYO". wbcmuaythai.com. Retrieved 24 September 2022.
  50. ^ "【ランシット】石井一成、センソン・エラワンを相手に惜しくも防衛ならず。次戦に期待 5/5(金)". Royal Road. May 6, 2017.
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