From unexpected knockouts to shocking decisions, we’ve compiled some of the most jaw-dropping upset wins in ONE to date!

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Subscribe and turn on notifications to get the latest ONE content: To watch ONE events in most regions, visit: To watch ONE ...

Relive #2-ranked bantamweight MMA contender Stephen Loman’s technical brilliance when he debuted against Russian wrestler ...

Watch the full ONE Fight Night 31 event replay: 🇺🇸🇨🇦 on Prime 👉 🌍 on Watch.ONEFC.com (geo-restrictions may apply) Subscribe and turn on notifications to get the latest ...

All the best ringside photos from ONE Fight Night 31 inside Lumpinee Stadium in Bangkok, Thailand, on May 2, 2025.

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Gear up for a thrilling lineup of martial arts action in U.S. primetime on May 2 as ONE Championship returns to Bangkok, Thailand, with ONE Fight Night 31: Kongthoranee vs. Nong-O II!

Result for the flyweight Muay Thai bout between Nong-O Hama and Kongthoranee Sor Sommai at ONE Fight Night 31 at Lumpinee ...

Result for the ONE Welterweight MMA World Title bout between Tye Ruotolo and Dante Leon at ONE Fight Night 31 at Lumpinee ...

Watch the full ONE Fight Night 31 event replay: 🇺🇸🇨🇦 on Prime 👉 🌍 on Watch.ONEFC.com (geo-restrictions may apply) ...

Results for the Muay Thai and MMA fights at ONE Fight Night 31 on Friday, May 2, at Lumpinee Stadium in Bangkok, Thailand.