Challenger Breaks Down Champ’s Weaknesses Ahead of Inner Circle

Thai challenger Rungrawee Sitsongpeenong has revealed the deeply personal stakes behind his World Title opportunity.

The 30-year-old faces reigning ONE Lightweight Muay Thai World Champion Regian “The Immortal” Eersel in a five-round battle that headlines The Inner Circle on Friday, April 10. It goes down live on live.onefc.com, and the vacant ONE Lightweight Kickboxing World Title on the line.

Rungrawee Sitsongpeenong has spent his career building toward a moment like this. The Thai veteran carries a 158-48 striking record and a 6-2 ONE mark, earned across decades of professional competition that began long before ONE Championship entered the picture.

Rungrawee Sitsongpeenong Shocked to Finally Receive Title Shot

The call that changed Rungrawee Sitsongpeenong’s year arrived in early March, and the Thai striker’s reaction captured everything the moment meant to a fighter who has put in years of work waiting for an opportunity at the highest level.

“I found out about the Eersel fight in early March. I was shocked and stoked at the same time to finally get a shot for gold. I’ve been waiting for this chance for a long time, and now it’s finally happening,” he stated.

His road to this moment has been built on the kind of relentless kicking game that earned him the “Legatron” nickname inside his own gym. Three consecutive ONE victories from his debut and three more wins in last four bouts established him as a genuine threat in the lightweight striking division.

Thai Star Rungrawee Sitsongpeenong Identifies Eersel’s Weaknesses, Backs Kicking Game

Rungrawee Sitsongpeenong has done his preparation on Eersel with the thoroughness of a challenger who knows he cannot afford to enter a World Title fight without a clear plan. The Thai striker has studied the champion carefully, identified the areas where he believes he holds an advantage.

“Regian’s strengths are definitely his hands and flying knee. His punches are heavy and dangerous. As for weaknesses, I noticed that he doesn’t check kicks very often, especially to the legs. My biggest edge is my low to high kicking game. I believe my kicks are powerful enough to do some real damage,” he explained.

The Dutch-Surinamese striker holds a 13-1 ONE record and ten ONE World Championships, and his 64-5 career mark reflects the kind of sustained excellence that has made him a fixture at the top of the lightweight division for years.

Rungrawee’s Children His Biggest Motivation

Beyond the tactics and the title implications, Rungrawee Sitsongpeenong’s fight on April 10 carries a weight that goes deeper than anything that happens inside the ring. The Thai veteran has opened up about the personal force driving him toward the biggest night of his career.

“My kids are my biggest motivation. They’re ringside for every fight, and seeing them there gives me that extra motivation to keep fighting. Winning that belt would change everything. It would put my name on the global map. But more importantly, it means I can provide a better life for my two kids and my family,” he declared.

The journey from the cassava fields and rice paddies of Ubon Ratchathani province to a ONE Lightweight Kickboxing World Title fight is one of the more remarkable stories on the entire card.

Watch The Inner Circle exclusively on http://live.onefc.com beginning at 7:30 a.m. ET/4:30 a.m. PT.