Knock Out 68 ～Knockin' on the World～

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.

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.

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.

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.

Sitthichai

Sitthichai Sitsongpeenong is a world-renowned Thai kickboxer and Muay Thai practitioner with a record of 129 wins, 38 losses, and 5 draws. A former Glory Lightweight Champion and Lumpinee Stadium Welterweight Champion, he is celebrated for his technical southpaw style and devastating left kick. In recent bouts, he faced Kaito Ono in December 2025, losing a narrow decision, and took on Nico Carrillo in April 2025. He also secured a major victory over Masaaki Noiri in June 2024.

Spike Carlyle

Spike Carlyle is an American mixed martial artist known for his explosive "Alpha Ginger" persona and high-energy fighting style. Competing primarily in the lightweight and welterweight divisions, he holds a professional record of 16 wins and 7 losses. In his most recent outing at Pancrase 357 in September 2025, he secured a first-round victory over Akihiro Murayama via ground and pound. This followed a decision loss to Takeshi Izumi and a submission win over Kyung Pyo Kim at RIZIN 47.

Yushi

Yushi is a Japanese mixed martial artist who competes primarily in RIZIN's flyweight and bantamweight divisions. A charismatic fighter with a background in kickboxing and bodybuilding, he holds a professional record of 3 wins and 2 losses. After a debut setback in 2021, he secured three consecutive RIZIN victories, including a knockout of ZENKI and a submission of Haruki Sudo. Most recently, he competed at RIZIN 45 in December 2023 against Joe Hiramoto.

Soichiro Arata

Soichiro Arata is a Japanese kickboxer with a professional record of 12 wins (6 KOs), 5 losses, and 4 draws. A versatile all-rounder with a background in karate and boxing, he is the former JAPAN KICKBOXING INNOVATION Super Featherweight Champion. Standing 179cm tall, he primarily competes in the Super Featherweight division, known for his technical balance and ability to use various weapons including knees and elbows. His recent activity includes a productive run in the KNOCK OUT organization. In December 2025, he competed in a high-stakes tournament at the Yoyogi National Stadium, where he secured a decision victory over Hikaru Machida after earlier falling to Tang Feng in the tournament finals. Prior to that, in November 2025, he earned a KO victory against Hyuga Matsumoto. His recent victories also include a TKO win over Taichi Yamamoto in August 2024.

Hyuma Kugai

Hyuma Kugai is a Japanese kickboxer who competes in the flyweight and strawweight divisions. Born on April 4, 2003, he is known for a balanced fighting style that combines sharp punching combinations with technical kicking, including versatile techniques like the backspin kick. As of April 2026, his professional record stands at 3 fights with 2 wins (1 KO) and 1 loss. His recent matches include scheduled appearances in major organizations such as KNOCK OUT.