He serves his country as a Staff Sergeant in the Thai Army and has medaled at the SEA Games and Army Games. But at ONE Friday Fights 150 on April 10, Attachai Kelasport trades the barracks for Bangkok's legendary Lumpinee Stadium – and the 23-year-old southpaw is not returning just to compete. He is returning to make a statement and begin his charge to ONE Championship’s main roster!

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Back In The Small Gloves And Ready To Use Them

It has been nearly a year since Attachai last stepped into the ONE Friday Fights ring. His debut in June 2024 – a unanimous decision victory over Pole Adsanpatong – marked his first time competing in four-ounce gloves, and by his own admission, the nerves showed. He won, but he knew he left something on the table.

In the months since, Attachai has not been idle. He earned silver medals at both the SEA Games and Army Games, competed in big-glove bouts to stay sharp, and kept refining his craft. As a Thai Army athlete holding the rank of Staff Sergeant – with over four years of service – he is permitted to dedicate himself fully to training when a bout is scheduled, meaning he will arrive at ONE Friday Fights 150 with nothing holding him back.

"My debut win against Poye was my first time in small gloves. I was nervous and probably should've been more aggressive, but I won because I was more precise. It made me hungry for more," Attachai said. "I've learned a lot from my first win. I need to be more consistent and aggressive. I'm much more used to the small gloves now. I want to prove to everyone that I'm an exciting fighter who belongs on this stage. I'm not going to let his reputation intimidate me."

Excited To Face Muay Thai’s Finest

Attachai's opponent on Friday is no ordinary assignment.

Kompet Sitsarawatsuer is a two-time Lumpinee Stadium Muay Thai World Champion with a 91-25 record and six belts. He’s a decorated veteran who has been a fixture on the Muay Thai scene since before Attachai moved to the Thai capital. His experience, ring intelligence, and hunger for a contract make him one of the most dangerous strikers competing at ONE Friday Fights.

But Attachai did not ask for an easy fight, and he is not treating this like one. He has studied Kompet closely, identified the gaps, and has no intention of letting star power cloud his judgment.

"When I heard I was fighting Kompet, I was so excited. It's an honor to fight someone like him. He's been a star since I first arrived in Bangkok. He's got the accolades and six belts, but in three-round fights with small gloves, anything can happen," Attachai said. "I've studied him, and I think he leaves himself open sometimes. If I see a gap, I'm letting my hands go. I'm not worried about his experience. I'm fast, I'm fresh, and I'm ready to trade."

Fighting For More Than A Win

Attachai is not walking into Lumpinee Stadium simply to extend his winning streak.

He is chasing something bigger – a performance that turns heads, builds a name, and takes him one step closer to ONE Championship’s main roster. Every bout has to be better than the last. That is the standard he holds himself to.

And behind all of it is something more personal. His parents and his family are his motivation, his fuel, and his reason to keep pushing when the going gets hard.

"I want to keep leveling up my performance to prove that I have what it takes to eventually step up to the main ONE Championship stage. Every fight has to be an improvement," Attachai said. "Right now, I'm fighting with everything I've got for my parents and my family because I want them to have a more comfortable life and I want to build a solid future for myself."

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