Two former ONE World Title challengers face each other Friday, March 13, carrying the weight of recent failures and the knowledge that another setback could permanently derail championship dreams. Sinsamut Klinmee and George Jarvis collide in a crucial lightweight Muay Thai clash at ONE Fight Night 41 that doubles as a high-stakes redemption opportunity.
Sinsamut returns to his Muay Thai roots after a brief kickboxing detour ended disastrously. The 30-year-old Thai striker carries an impressive 83-21 career record built since he began training at just 4 years old, but recent struggles have raised questions about his ability to compete at the championship level.

His promotional arrival made immediate waves at ONE X in March 2022, when he demolished Dutch striking legend Nieky Holzken with a stunning one-punch knockout. Four months later, he erased doubts by knocking out Liam Nolan, establishing himself as a legitimate lightweight Muay Thai threat worthy of title consideration.
Those performances earned him a shot at the inaugural lightweight Muay Thai championship against Regian Eersel in October 2022. Sinsamut pushed the Dutch-Surinamese champion through five grueling rounds before falling short via split decision. Their March 2023 rematch ended more decisively with Eersel securing a knockout victory.
The losses initiated a downward spiral. Sinsamut rebounded with two wins in 2023 before enduring a challenging 2024 that saw him drop consecutive bouts to Dmitry Menshikov and Youssef Assouik. He roared back with a TKO victory over Nauzet Trujillo at ONE 170, showcasing resilience when critics wondered if he’d lost his edge entirely.
His most recent outing featured a return to kickboxing against Holzken, suffering a knockout defeat that forced serious recalibration. Now he refocuses on Muay Thai, the discipline where he built his reputation, hoping familiarity breeds success.

Across the ring stands Jarvis, a 27-5 prospect whose championship opportunity arrived too soon. The British striker holds a 4-2 promotional record after debuting with a narrow split-decision loss to Chanajon PK Saenchai in September 2023. He responded with impressive victories over Mustafa Al Tekreeti and Ricardo Bravo in the ONE Friday Fights series.
His breakthrough moment arrived at ONE Friday Fights 85 in November 2024, when he spectacularly knocked out Thai veteran Rungrawee Sitsongpeenong to secure a six-figure main roster contract. The Englishman made his U.S. primetime debut count at ONE Fight Night 30, dominating Mouhcine Chafi via unanimous decision.
Riding a four-fight winning streak, he challenged Eersel for lightweight Muay Thai gold. The first-round knockout defeat provided harsh education about the gap between contender and champion. Now Jarvis faces another former title challenger seeking the same redemption, making March’s showdown critical for both fighters’ championship trajectories.
One walks away with renewed momentum. The other faces serious questions about his place among the division’s elite.
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