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

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

Khasan Salomov secured a unanimous decision victory in his ONE Championship debut in a highly entertaining strawweight Muay ...

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

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

Live results from every MMA, Muay Thai, and submission grappling fight at ONE Fight Night 31: Kongthoranee Vs. Nong-O II on ...

Three fights that could steal the show at ONE Fight Night 31 on May 2, 2025, including Zebaztian Kadestam vs. Isi Fitikefu ...

Result for the flyweight Muay Thai bout between Nong-O Hama and Kongthoranee Sor Sommai 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) ...