A rematch three years in the making takes center stage at ONE SAMURAI 1.
Reigning ONE Atomweight Muay Thai World Champion Nadaka makes his first title defense against fierce Thai rival Songchainoi Kiatsongrit in one of four massive World Title bouts going down from the iconic Ariake Arena in Tokyo, Japan, on Wednesday, April 29.
As one of the sport’s premier pound-for-pound talents, Nadaka carries a staggering 40-fight winning streak and a flawless 4-0 promotional record into this bout, having crowned himself the division’s inaugural king with a masterful performance over Numsurin Chor Ketwina at ONE 173.
Across the ring stands a man with unfinished business. Songchainoi arrives with nine victories in ONE Championship, a burning desire to avenge a defeat suffered to Nadaka outside the promotion in 2023, and a sworn mission to bring the gold back to Thailand.
Here is what each fighter must do to walk out of Tokyo victorious.
#1 Nadaka’s Speed And Range Control
In the ring, Nadaka is not just fast — he is an absolute blur.
His hand speed is among the most terrifying in the promotion, generating blistering combinations that opponents cannot track and reflexes that make clean hits nearly impossible to land. A natural southpaw who can seamlessly switch stances at will, the Japanese superstar is a nightmare to prepare for.
Standing 4 inches taller than Songchainoi, his reach advantage compounds those difficulties. His long kicks and stabbing teeps, deployed relentlessly to control the distance, kept Numsurin completely at bay en route to the World Title.
Songchainoi’s entire game plan depends on closing the distance. If Nadaka performs to his ceiling, the Thai contender will spend the night chasing a ghost.
#2 Songchainoi’s Pressure And Punching Power
Do not let the small frame fool you. Songchainoi packs devastating power into his compact 5-foot-1 frame, and he knows exactly how to deliver it.
A natural muay femur who adapted a ferocious muay mat approach in 4-ounce gloves, his destructive capabilities truly shine up close. Relentless aggression and well-timed low kicks chop down his opponents’ mobility, forcing them into uncomfortable, static positions before the real damage arrives.
Four knockout victories across 11 ONE appearances confirm he is a proven finisher, and not merely a pressure fighter. No opponent has absorbed a clean, full-power strike from the Kiatsongrit Muay Thai Gym representative and walked away unaffected.
In Tokyo, Songchainoi intends to make this fight ugly and intimate. The more damage he inflicts from close quarters, the more the champion’s movement and timing erode — and that is precisely when the challenger becomes most dangerous.
#3 Nadaka’s Elite Fight IQ And Counterpunching
Speed and athleticism alone do not explain Nadaka’s historic unbeaten run. What lies beneath the physical gifts is the mind of a chess grandmaster.
The reigning champion wastes absolutely nothing. Every movement has a purpose, and every strike has lethal intention. He identifies his opponent’s rhythms early, waits for openings, and never gets drawn into chaotic exchanges he did not deliberately design.
Against Numsurin, Nadaka used brilliant feints to draw the Thai forward, then countered with surgical precision across five grueling rounds. That is his signature —patience rewarded with severe punishment.
Songchainoi’s orthodox stance only compounds his difficulties. Pressing forward into southpaw angles he rarely encounters in the training room turns his natural aggression into a double-edged sword, and Nadaka is the perfect counter-striker to exploit it.
#4 Songchainoi’s Durability And Relentless Pace
Songchainoi is just as dangerous in the championship rounds as he is in the opening minutes.
The 25-year-old carries an iron chin and an endlessly deep gas tank into this World Title fight, and both will be absolutely essential for an upset. Against a master of distance like Nadaka, the wiser play is the long game.
Relentless body shots and chopping low kicks that accumulate damage will erode the champion’s rhythm far more effectively than hunting for a single knockout blow.
If Songchainoi can absorb the early counters and drag the Japanese phenom into deep waters, his unrelenting pace could break down the champion’s defenses and secure the ultimate prize.
Every round that passes brings him closer to doing the unthinkable and leaving Ariake Arena as the new ONE Atomweight Muay Thai World Champion.