Sam-A Gaiyanghadao vs Sergio Wielzen: ONE Super Series Muay Thai Flyweight World Champion to be crowned in Singapore

04 April 2018 – Singapore: The largest global sports media property in Asian history, ONE Championship™ (ONE), has just announced additional bouts for “ONE: Unstoppable Dreams” set for May 18, 2018 at the Singapore Indoor Stadium. The absolute best in local and international martial arts talent are ready to showcase their incredible skills on the largest global platform of martial arts competition.


As if two title bouts are not exciting enough, the inaugural ONE Super Series Muay Thai Flyweight World Championship will be launched at “ONE: Unstoppable Dreams.” Muay Thai legend Sam-A Gaiyanghadao, 34, of Thailand will compete against Sergio “Little One” Wielzen, 30, of Suriname.


“We are set to crown the inaugural ONE Super Series Muay Thai Flyweight World Champion, as Sam-A Gaiyanghadao and Sergio Wielzen vie for the title,” ONE Championship Chairman and CEO Chatri Sityodtong said. “It’s going to be a phenomenal night of action for sure, and fans will not want to miss the excitement at the Singapore Indoor Stadium.”


Gaiyanghadao is a multiple-time Lumpinee Stadium world champion who is regarded as one of the best strikers in the world. As a Muay Thai practitioner, he owns a record of 364-46-9, and was known for his strong defense and counter offense.


Now an instructor at Evolve in Singapore and a member of the prestigious Evolve Fight Team, Gaiyanghadao is set to make his ONE Super Series debut against Wielzen. The latter is a Surinamese Muay Thai kickboxer who is training out of Amsterdam, Netherlands.


A Lion Fight Muay Thai world lightweight champion, Wielzen has a professional kickboxing record of 45-18-2. He has built a reputation as being an explosive striker with stunning knockout power despite being physically smaller than most of his opponents


Wielzen has won many of his bouts by knockout. He is also a former It’s Showtime 61MAX world champion.


The first ever ONE Championship Muay Thai match, which was between Gaiyanghadao and Joseph “The Hurricane” Lasiri, 26, of Italy, took place at “ONE”Global Superheroes” on January 26, 2018 in the Philippines. Watch a clip from their bout here:

Ticket information for ONE: UNSTOPPABLE DREAMS is available at

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