Rodtang Jitmuangnon
"The Iron Man"
17-3-0
Flyweight
About
Thai striking virtuoso and longest-reigning ONE Flyweight Muay Thai champion who has crossed into kickboxing, mixing devastating technique with relentless pressure.
See moreSee less
Rodtang Jitmuangnon, known as 'The Iron Man,' is a Thai striking legend who has defined modern flyweight combat sports across Muay Thai and kickboxing. Beginning his professional career at just 8 years old to help support his family, he climbed through Thailand's most prestigious rings, capturing titles at Max Muay Thai and Omnoi Stadium before joining ONE Championship in 2018. That move catapulted him to global prominence: on August 2, 2019, he defeated Jonathan Haggerty to claim the ONE Flyweight Muay Thai World Championship and embarked on a dominant reign that saw him defend the belt multiple times, most memorably delivering a crushing third-round TKO over Haggerty in their rematch with four knockdowns. Throughout his tenure as champion, Rodtang earned a reputation as one of the world's highest-paid and most feared strikers.
As a fighter, Rodtang embodies relentless forward pressure combined with technical Muay Thai mastery. He attacks with explosive hand combinations and punishing elbows from close range, maintains brutal pace throughout five rounds, and has shown the cardio and precision to dominate elite opponents. His willingness to cross into kickboxing and accept a special-rules hybrid bout against UFC legend Demetrious Johnson in 2022 underscored his confidence and ambition, though he fell to a rear-naked choke in that experiment. His high-profile draw with Japanese kickboxing superstar Tenshin Nasukawa in 2018 established his credibility on the world's biggest striking stage.
In recent years, Rodtang's dominance has been tested. Multiple weight misses, most notably a 6.25-pound overage in a 2024 bout against Denis Puric, raised concerns about his professionalism. Losses to Superlek Kiatmuu9 and, most recently, a fifth-round KO defeat to Takeru Segawa in their April 2026 rematch for the ONE Interim Flyweight Kickboxing World Title have marked a competitive turn. Yet his overall record and body of work remain formidable: a 274-43 career tally and multiple world titles across rulesets cement him as one of the elite strikers of his generation. For fans, Rodtang represents the gold standard of technical, aggressive striking and the enduring appeal of a fighter who rose from childhood poverty to command the world's biggest combat sports stage.
Why fans love Jitmuangnon
Rodtang is celebrated for his elite technical striking, relentless pressure, and willingness to face world-class competition across different rulesets. His multiple title reigns and dominant defenses built genuine respect; the fact that he rose from fighting as a child to support his family to becoming one of the world's highest-paid strikers adds narrative weight. Fans admire his dedication and the pure quality of his striking.
Why some fans hate Jitmuangnon
Recent weight misses (1.5 pounds over at ONE on Prime Video 6 in 2023, 6.25 pounds over against Denis Puric in 2024, and 0.5 pounds over in his title loss to Jacob Smith) have drawn criticism for lack of professionalism and respect for contracted weight limits. The loss to Takeru Segawa in their rematch and prior decision loss to Superlek Kiatmuu9 marked reversals of fortune, and some fans view his recent form as a decline from his dominant champion years.
