Knock Out 65: The Knock Out 2026

Ryusei Kumagai

Ryusei Kumagai, competing as "Ryusei," is a Japanese kickboxer with a professional record of 21 wins and 2 losses. Standing 173cm, he is known for a dynamic fighting style characterized by explosive speed and high-level knockout power. A former KNOCK OUT Black Featherweight champion and ISKA K-1 Intercontinental Super Featherweight champion, he recently made a successful ONE Championship debut with a unanimous decision victory over Suriyanlek Por Yenying in March 2025.

Taimu Hisai

Taimu Hisai is a Japanese kickboxer with a professional record of 19 wins (6 KO), 6 losses, and 1 draw. Competing primarily in the KNOCK OUT organization, he has achieved the remarkable feat of capturing titles in four different divisions, including the RED and BLACK rules championships in both the Lightweight and Super Featherweight classes. Most recently, he secured a draw against Gonnapar Weerasakreck in February 2026 after defeating him for the RED Lightweight title in December 2025.

Fumiya Osawa

Fumiya Osawa is a Japanese kickboxer with a record of 34 wins (4 KOs), 22 losses, and 3 draws. Competing primarily in the lightweight division, he is a former Krush Lightweight Champion and the winner of the KNOCK OUT-BLACK Lightweight Championship in 2025. Known for his tactical point-fighting and craftiness, he recently secured a knockout victory over Shoji Otani in February 2026, following a decision win against the same opponent in May 2025.

Minoru Kimura

Minoru "Philip" Kimura is a Brazilian kickboxer born on September 9, 1993, known for his explosive punching power and aggressive style. Standing 5'8" (172cm), he rose to prominence as a champion in K-1, where he captured the K-1 World GP Super Welterweight Title. While primarily a kickboxer, he made a notable appearance in mixed martial arts at RIZIN Fighting World Grand Prix 2016 against Charles Bennett. He is recognized for his high knockout rate and exciting presence in the ring.

Hikaru Fukunaga

Hikaru Fukunaga is a Japanese combat sports athlete with a background in professional boxing. Born on November 24, 1998, in Okinawa, he stands 166cm tall and competed primarily in the featherweight division of boxing, where he amassed a record of 10 wins (7 KOs) and 4 losses. He transitioned to MMA and kickboxing, and was scheduled to compete in the KNOCK OUT organization’s "UNLIMITED" rule set (allowing striking, throws, and ground techniques) in April 2026.

Kaiki Kawasaki

Kaiki Kawasaki is a Japanese kickboxer who competes in the featherweight division of the KNOCK OUT organization. Born on November 5, 2006, the Okinawa-native athlete possesses an extensive amateur background where he reportedly won nine titles across dozens of fights. After starting his professional career with a perfect six-fight win streak, he has faced top-tier competition. Most recently, he secured a knockout victory against MAKURI in November 2025.

Kyohei Furumura

Kyohei Furumura is a Japanese kickboxer with a professional record of 21 wins, 5 losses, and 1 draw, including 15 KOs. He competes primarily in KNOCK OUT and is the former Yamato Muay Thai Super Lightweight Champion. Standing 174cm, he is known for a high-intensity style and heavy strikes. In his most recent bout at KNOCK OUT.58 in October 2025, he faced Taimu Hisai in a back-and-forth encounter, ultimately falling via third-round knockout after earlier dropping his opponent.

Yuta Chibana

Yuta Chibana is a Japanese kickboxer who competes in the super bantamweight division (55kg). Born on January 29, 1999, in Ginowan, Okinawa, he stands 170cm tall. Known for his background in Okinawa's underground fighting scene where he was a two-time champion, he has transitioned to professional kickboxing. He achieved victory in the 55kg tournament at the 43rd K-1 Amateur championships. He is currently scheduled to compete in the KNOCK OUT organization.