Multiple-time Lumpinee Muay Thai World Champion Sam-A Gaiyanghadao faced two-time W5 World Champion Sergio Wielzen at ONE: UNSTOPPABLE DREAMS in Singapore. After some amazing back-and-forth action, Sam-A turned up the heat in the fourth round, unleashing a barrage of fierce kicks and elbows to capture the inaugural ONE Super Series Muay Thai Flyweight World Championship.
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