Riku Kazushima

is a Japanese kickboxer. He is the current RISE Flyweight champion.

As of December 2023, he was the #10 ranked Flyweight kickboxer in the world by Beyond Kick.

Kickboxing career Early career Kazushima made his professional debut on September 20, 2020, at RISE EVOL 6 against Rui Kasami. He won the fight by unanimous decision after scoring two knockdowns.

Kazushima faced Daina at HOOST CUP KINGS KYOTO 7 on March 7, 2021. He won the fight by second-round knockout with a left cross.

On June 13, 2021, Kazushima faced Hyuga Umemoto at Stand up vol.2. The fight was declared a majority draw.

On July 28, 2021, Kazushima faced former Rajadamnern Stadium, IBF and WPMF world champion Ryuya Okuwaki at RISE 151. The fight was declared a majority draw despite Kazushima scoring a knockdown in the first round. The fight did not go to an extension round as Kazushima accepted the bout on short notice.

Kazushima suffered his first professional defeat on January 23, 2022, when he lost by unanimous decision to Kuryu at RISE 154.

RISE Flyweight Championship On April 22, 2022, Kasushima entered a multi event 4-man tournament for the inaugural RISE Flyweight (51.5 kg) title. He faced Momu Tsukamoto at RISE 157 as a semifinal bout. Kazushima won the fight by majority decision in a bout where both fighters received an 8 count.

Kazushima faced Toki Tamaru for the inaugural RISE Flyweight (-51.5 kg) title at RISE 162 on October 30, 2022. He lost the fight by unanimous decision, with all three judges scoring the bout 49–48.

Kazushima had a second chance at the vacant RISE Flyweight (-51.5 kg) titleTenshi on October 29, 2023, when he faced Tenshi Matsumoto at RISE 172. He won the fight by unanimous decision to take home his first professional title.

Kazushima faced Khunsuk PetchyindeeAcademy at RISE 176 on February 23, 2024. He won the fight by unanimous decision, after an extra fourth round was contested.

Kazushima faced Sudlor SorJor.Tongprachin at RISE WORLD SERIES 2024 OSAKA on June 15, 2024. He won the fight by a third-round knockout.

Kazushima faced the second-ranked RISE flyweight Tenshi Matsumoto at RISE 186 on February 23, 2025. He won the fight by unanimous decision.

Titles and accomplishments Kickboxing Professional RISE 2023 RISE Flyweight (-51.5 kg) Champion

Amateur 2014 Shootboxing All Japan -30 kg Champion 2016 Green Boy Fight Lightweight Champion 2016 Suk Wan Kingtong Real Champion Tournament -42 kg Winner 2017 Green Boy Fight Welterweight Champion 2017 Suk Wan Kingthong All Japan -42 kg Champion 2019 ISKA All Japan Tournament -55 kg Winner

Karate 2017 Shin Karate Japan Cup K-3 middle school -45 kg Winner 2018 Shin Karate All Japan Grand Prix K-3 middle school -50 kg Winner 2018 Glove Karate Federation All Japan -55 kg Winner 2019 Shin Karate All Japan Grand Prix K-3 Winner 2020 Shin Karate Kansai K-2 Grand Prix Lightweight Winner

Fight record

Amateur record 2019-12-22 Win Ryouma Takeuchi Stand up vol.1 New Generation Tokyo, Japan Decision 3 2:00 2019-12-01 Win Tsubaki Mori 1st ISKA All Japan Open Amateur Kickboxing Championship, Final Yokohama, Japan Decision 3 2:00 2019-10-27 Loss Hyuga Umemoto Amateur Dageki Kakutougi Japan Cup 2019, Semi Final Tokyo, Japan 2019-10-27 Win Seiya Kanazuka Amateur Dageki Kakutougi Japan Cup 2019, Quarter Final Tokyo, Japan 2019-10-06 Draw Keigo Nishikawa Suk Wanchai MuayThai Super Fight vol.6 Tokyo, Japan Decision 2019-07-14 Win K's Cup Tokyo, Japan Decision 2 2:00 2019-02-24 Win Jun Ikeda NJKF 2019 west 1st Hamamatsu, Japan Decision (Majority) 3 2:00 2019-01-20 Loss Yuki Hamada NEXT LEVEL Kansai 53 Sakai, Japan Decision (Unanimous) 2 2:00 2017-11-05 Win Tenma Nagai Muay Thai Super Fight Suk Wan Kingtong vol.9 Tokyo, Japan Decision (Unanimous) 5 1:30 2017-10-09 Win Ryoga Terayama Amateur Dageki Kakutougi Japan Cup 2017, Final Tokyo, Japan Decision (Unanimous) 2 1:30 2017-10-09 Win Amateur Dageki Kakutougi Japan Cup 2017, Semi Final Tokyo, Japan Decision 1 2:00 2017-07-10 Win Green Boy Fight, Final Kyoto, Japan Decision 2 2:00 2017-07-10 Win Shun Tsutsumi Green Boy Fight, Semi Final Kyoto, Japan Decision 2 2:00 2017-05-21 Win Shin Masuda MuayThai Super Fight Suk Wan Kingthong vol.7, Kansai Selection Final Kyoto, Japan KO 2 2017-05-21 Win Hiroto Yokoyama MuayThai Super Fight Suk Wan Kingthong vol.7, Kansai Selection Semi Final Kyoto, Japan Decision (Unanimous) 2 2016-10-09 Win Yuki Baba Suk Wan Kingthong Amateur, Real Champion Tournament Final Tokyo, Japan Decision (Unanimous) 2016-10-09 Win Eiji Katsura Suk Wan Kingthong Amateur, Real Champion Tournament Semi Final Tokyo, Japan 2016-03-21 Loss Shunpei Kitano Green Boy Fight, Final Kyoto, Japan 2016-03-21 Win Daina Kitayama Green Boy Fight, Semi Final Kyoto, Japan 2016-03-21 Win Yushin Endo Green Boy Fight, Quarter Final Kyoto, Japan 2015-09-06 Loss Riku Narita Shoot Boxing Amateur Kansai Osaka, Japan Ext.R Decision (Unanimous) 3 2:00 2015-06-07 Loss Tomohiro Ushida Shoot Boxing Amateur Kansai Osaka, Japan Ext.R Decision (Unanimous) 3 2:00 2015-03-01 Win Tomohiro Ushida Shoot Boxing Amateur Kansai Osaka, Japan Decision (Unanimous) 2 2:00 Legend: