Ryujin Nasukawa


Ryujin Nasukawa is a Japanese kickboxer. He is the reigning ISKA K-1 World Strawweight champion and former RISE Flyweight (-51.5 kg) champion.
As of October 2024, he was the #10 ranked -53 kg kickboxer in the world according to Beyond Kickboxing.
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Kickboxing career

Early career

Nasukawa made his professional debut on April 4, 2022, at RISE ELDORADO 2022 where he defeated Naoki Kasahara by unanimous decision.
For his second professional fight Nasukawa was scheduled to face Rui Okubo on the exceptional card THE MATCH 2022 on June 19, 2022, at the Tokyo Dome. Nasukawa lost the fight by unanimous decision.
Nasukawa took part in a four-man one night tournament called "New Warriors" on February 23, 2023, at RISE 166. In the semifinals he faced Momu Tsukamoto who defeated him by unanimous decision.
On August 26, 2023, Nasukawa faced Jin at RISE WORLD SERIES 2023 - 2nd Round. He won the fight by unanimous decision.
On December 16, 2023, Nasukawa faced Ryutaro at RISE WORLD SERIES 2023 Final Round. He won the fight by doctor stoppage in the third round.
On March 17, 2024, Nasukawa faced Tenshi Matsumoto at RISE ELDORADO 2024. He won the fight by unanimous decision.
On June 15, 2024, Nasukawa faced Momu Tsukamoto at RISE WORLD SERIES 2024 OSAKA. He won the fight by spit decision.

RISE Flyweight champion

Nasukawa was scheduled to challenge Riku Kazushima for his RISE Flyweight title on November 23, 2024, at RISE 183.
Nasukawa faced Petmai MC.SuperlekMuaythai at RISE WORLD SERIES 2024 Final on December 21, 2024. He won the fight by a second-round knockout.
Nasukawa faced Hamada Azmani for the inaugural ISKA K-1 World Strawweight title at RISE WORLD SERIES 2025 Yokohama on June 21, 2025. He won the fight by unanimous decision to capture the title.
Nasukawa moved up to super flyweight to face the #1 ranked RISE super flyweight contender Jin Mandokoro at RISE WORLD SERIES 2025 Tokyo on August 2, 2025. He won the fight by unanimous decision.
Nasukawa faced Yuto Uemura at RISE 195 on January 18, 2026. He won the fight by a first-round technical knockout.

Mixed martial arts career

Nasukawa made his mixed martial arts debut at Rizin 45 on December 31, 2023, against Jongmin Shin. He won the fight by second-round knockout.

Titles and accomplishments

Professional

Awards
  • efight.jp
  • * Fighter of the Month

Amateur

  • 2015 Amateur Dageki Kakutougi Japan Cup K-4 Tournament Runner-up
  • 2016 Shin Karate Tokyo Tournament Elementary School Winner
  • 2016 Amateur Dageki Kakutougi Japan Cup K-4 Tournament Third Place
  • 2016 NJKF Explosion -31 kg Champion
  • 2017 Bigbang -34 kg Champion
  • 2017 KAMINARIMON All Japan Tournament -35 kg Champion
  • 2018 NJKF Explosion -34 kg Champion
  • 2018 Shootboxing All Japan Tournament -40 kg Champion
  • 2018 RIZIN x KAMINARIMON Junior Tournament -35 kg runner-up
  • 2019 NJKF Explosion Elementary School -40 kg Champion
  • 2019 Bigbang -40 kg Champion
  • 2019 Bigbang -45 kg Champion
  • 2021 RISE NOVA Junior A-class -50 kg Tournament Winner
  • 2021 Amateur Dageki Kakutougi Japan Cup Middle School -50 kg Champion
  • 2021 RISE NOVA All Japan Tournament -55 kg Champion
  • 2021 Stand Up Kickboxing A-class -45 kg Champion

Kickboxing record

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