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ONE Championship returns with a thrilling lineup at ONE Fight Night 31: Kongthoranee vs. Nong-O II, set to broadcast live on Friday, May 2, 2025, from the iconic Lumpinee Boxing Stadium in Bangkok, Thailand. This event features a compelling mix of Muay Thai, MMA, and submission grappling, promising an electrifying night for combat sports enthusiasts.
Fans in the U.S. can stream ONE Fight Night 31 live on Prime Video at 9:00 PM ET / 6:00 PM PT on Friday, May 2. The event will also be broadcast in over 190 countries, so check local listings for availability.
Main Event: Kongthoranee vs. Nong-O II
In a highly anticipated flyweight Muay Thai rematch, Kongthoranee Sor Sommai faces former bantamweight champion Nong-O Hama. Their previous encounter at ONE Fight Night 28 ended in a split decision victory for Kongthoranee, a result that stirred debate among fans and experts alike. Nong-O, determined to avenge this loss, aims to showcase his renowned kicking prowess and reclaim his standing in the division. Kongthoranee, on the other hand, seeks to solidify his ascent in the rankings with another decisive performance.
Co-Main Event: Tye Ruotolo vs. Dante Leon
The co-main event features a clash for the ONE Welterweight Submission Grappling World Title, as reigning champion Tye Ruotolo defends his belt against Dante Leon. Both grapplers have a history, with Leon winning their first encounter in 2020 and Ruotolo evening the score in 2021. This trilogy bout promises high-level jiu-jitsu action, with Ruotolo aiming to maintain his unbeaten streak in ONE Championship and Leon seeking to capture the title .
Full Fight Card:
Flyweight Muay Thai: Kongthoranee Sor Sommai vs. Nong-O Hama
Welterweight Submission Grappling: Tye Ruotolo (c) vs. Dante Leon
Welterweight MMA: Zebaztian Kadestam vs. Isi Fitikefu
Catchweight Muay Thai (170 lbs): Nauzet Trujillo vs. Liam Nolan
Lightweight MMA: Lipeng Zhang vs. Lucas Gabriel
Featherweight Muay Thai: Saemapetch vs. Alisher Dayakaev
Bantamweight Muay Thai: Sean Climaco vs. Akif Guluzada

Roberto Villa is the CEO, Founder, Executive Writer, Senior Editor of FightBook MMA. Has a passion for Combat Sports and also a podcast host for Sitting Ringside. He’s also a former MMA fighter and Kickboxer.
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