ONE Fight Night 41: Sinsamut vs. Jarvis

George Jarvis

George Jarvis is an English kickboxer and Muay Thai fighter with a record of 29 wins and 4 losses. Competing in ONE Championship and various international promotions, he has held the WBC Muay Thai World and European Super Middleweight titles. In June 2026, he secured a second-round knockout over Rungrawee Sitsongpeenong. Known for his technical striking, he previously earned a unanimous decision victory over Sinsamut Klinmee and a spectacular knockout win at ONE Friday Fights 85.

Sinsamut

Sinsamut Klinmee is a Thai Muay Thai fighter and former lightweight world title challenger in ONE Championship, holding a professional striking record of 89 wins, 20 losses, and 3 draws. Known as "Aquaman," he is recognized for his heavy-handed punching and high-impact knockout power. His recent performance in March 2026 resulted in a unanimous decision loss to George Jarvis, following a knockout loss against Nieky Holzken in 2025 and a first-round TKO victory over Nauzet Trujillo.

Ben Woolliss

Ben Woolliss is an undefeated English featherweight fighter with a professional record of 4-0-0. Standing 5'8" with a matching 68-inch reach, he has quickly made a name for himself with a 100% finishing rate in the first round. Most recently, he secured a victory over Nikola Ivanovic via knees and punches at PFL Europe 2 in June 2024. His versatile skill set is evidenced by back-to-back rear naked choke wins against James Darkes and Kyle Parton earlier that same year.

Fábio Henrique

Fábio Henrique is a flyweight fighter from Brazil with a professional record of 14 wins and 2 losses. Competing primarily in mixed martial arts, he is known for a versatile finishing ability, utilizing both powerful striking and high-level grappling. In his most recent outing at ONE Fight Night 41 in March 2026, he faced Seung Chul Lee, losing via unanimous decision. Prior to that, he secured a quick guillotine choke victory over Nyldean Paes and a first-round knockout against Marcos Paulo.

Seung Chul Lee

Seung Chul Lee is a South Korean flyweight fighter with a professional record of 13 wins and 1 loss. Competing in ONE Championship, he is currently on a dominant 13-fight winning streak. He has recently demonstrated his versatility and elite skill set with a unanimous decision victory over Bokang Masunyane in July 2026, which followed another decision win against Fábio Henrique. His recent run also includes a first-round rear naked choke submission and a ground-and-pound finish.

Hyu Iwata

Hyu Iwata is a professional fighter from Japan born on November 9, 2002. Competing in the featherweight division, he stands 173 cm tall with an identical reach of 173 cm. He currently holds a professional record of 1 win and 0 losses. In his most recent outing at Shooto 2024 Vol. 6 on July 27, 2024, he secured a victory against Kazuteru Yamazaki by way of a first-round knockout at the 1:46 mark.

Suablack Tor.Pran49

Suablack Tor.Pran49 is a Thai Muay Thai fighter and kickboxer who competes in ONE Championship. Known for a high-pressure fighting style and technical elbow strikes, he has amassed a professional Muay Thai record of 63 wins and 23 losses. In his most recent outing at ONE Fight Night 45 in July 2026, he secured a spectacular second-round knockout victory over Stephen Irvine. He previously earned a main roster contract after a dominant four-fight winning streak in the ONE Friday Fights series.

Yau Pui Yu

Yu Yau Pui is a Hong Kong Muay Thai and kickboxing athlete competing in the atomweight division. With a professional record of 29-5, she is the first fighter from Hong Kong to earn a six-figure contract with ONE Championship. Known for her relentless, aggressive pressure, she has been nicknamed the "female Seksan" by fans. Recently, she secured a first-round TKO victory over Anna "Supergirl" Jaroonsak and previously defeated former world champion Lara Fernandez by decision.

Willie van Rooyen

Willie van Rooyen is a bantamweight mixed martial artist from South Africa with a professional record of 8 wins and 1 loss. Standing 170cm tall, he is known for a versatile finishing ability that includes both heavy striking and technical grappling. In his most recent outing at ONE Fight Night 41 in March 2026, he secured a third-round victory over Jeremy Miado via a left hook and ground strikes. Prior to that, he showcased his skills with a submission win over Anatolie Gafin.