Regian Eersel Claims ONE Lightweight Kickboxing World Title After Dominating Rungrawee

On April 10, 2026, at the legendary Lumpinee Stadium in Bangkok, Thailand, Regian Eersel solidified his status as a top-tier fighter by defeating Rungrawee Sitsongpeenong via unanimous decision to win the vacant ONE Lightweight Kickboxing World Championship. The event, "The Inner Circle," witnessed a masterful performance from the Surinamese-Dutch powerhouse.

Eersel, known as "The Immortal," skillfully used his reach advantage to control the distance, launching a barrage of combinations from the outside against Rungrawee. His signature jumping knees consistently kept the Thai fighter on the defensive throughout the early rounds, allowing Eersel to build a significant lead on the scorecards.

The third round saw Eersel unleash a powerful combination that sent Rungrawee to the canvas for a knockdown. Despite Rungrawee's resilience, Eersel maintained his relentless offensive pressure into the fourth round.

In the final round, Rungrawee attempted to rally, but his aggressive approach led to a costly illegal elbow, resulting in a point deduction. This seemed to ignite Eersel, who finished the fight with an explosive display of offense, leaving no doubt about his superiority.

The judges unanimously scored the bout in favor of Eersel, crowning him the undisputed lightweight division king and a two-sport ONE World Champion.

Key Fight Results from The Inner Circle (April 10):

Regian Eersel defeated Rungrawee Sitsongpeenong via unanimous decision for the vacant ONE Lightweight Kickboxing World Championship.
Isaac Mohammed def. Rittidet Lukjaoporongtom via KO (punches + elbow) at 0:45 of round three (Muay Thai – Strawweight).
Elies Abdelali def. Hicham Zerouali via TKO (referee stoppage) at 1:14 of round two (Muay Thai – Featherweight).
Logan Chan def. Kaokarat Sor Tienpo via KO (left hook) at 0:34 of round two (Muay Thai – Bantamweight).
Kota Abe def. Hero Marco Manguray via KO (ground and pound) at 1:47 of round three (MMA – Lightweight).

English Translation:

April 10, 2026 – Bangkok, Thailand: ONE Championship hosted another thrilling event at the historic Lumpinee Stadium with "The Inner Circle."

In the main event, lightweight Muay Thai titleholder Regian Eersel defeated Thailand's Rungrawee "Legatron" Sitsongpeenong by unanimous decision to capture the vacant ONE Lightweight Kickboxing World Championship. The Surinamese-Dutch superstar once again proved why he is considered a pound-for-pound great with a masterful five-round performance.

"The Immortal" Eersel utilized his reach to keep Rungrawee on the outside, launching a high volume of combinations from a distance in the first round. Eersel's signature jumping knees consistently forced his Thai opponent onto the back foot in the first two rounds, as the Amsterdam native built a commanding lead on the scorecards.

Eersel's momentum peaked in the third round when he landed a blistering combination that sent Rungrawee crashing to the canvas for a significant knockdown. The Thai warrior displayed incredible heart to survive the onslaught, but Eersel continued his relentless attack in the fourth.

Rungrawee attempted to press the action in the fifth round, but his desperation led to costly mistakes, as the Thai fighter was deducted a point for landing an illegal elbow. The fouls seemed to ignite Eersel, who unleashed an offensive frenzy in the final moments of the match to cement his dominance.

All three judges awarded the match to Eersel, crowning him the undisputed king of the lightweight division and a two-sport ONE World Champion once more.