Thun Sihav

Thun Sihav (Khmer: ធន់ ស៊ីហាវ), born in 2007 in Prey Veng Province, Cambodia, is a young Kun Khmer fighter. Known by the nickname “Reachsey Chambang,” which loosely translates to “The War Lion,” Sihav trains under Master Thun Sophea, at the CRAF Boxing Gym, alongside his brother, Thun Sihong, as part of his development in the discipline.

Standing at 1.73 meters tall and weighing 60 kilograms, Sihav competes in an orthodox stance.

At 19 years old, Sihav has already faced several foreign fighters, gaining experience and showcasing his skills in the ring. His performances have drawn attention for their technical precision and endurance. As a young athlete, Sihav represents the next generation of Kun Khmer fighters, balancing the demands of the sport with the traditions it upholds. His career continues to evolve as he gains more experience and refines his craft.

On 9 November 2025, Sihav stepped into a foreign ring to face a French fighter in France. He won on points in the bout, giving him new momentum and opening up opportunities to continue his journey on the international stage.

On 23 November 2025, Sihav thrilled his hometown crowd in Prey Veng by knocking down a Brazilian opponent to win the Krud Kun Khmer trophy along with major prize money. The victory was met with loud cheers from proud local fans.