ONE Fight Night 31: Kongthoranee vs. Nong-O 2 was a combat sports event produced by ONE Championship that took place on May 3, 2025, at Lumpinee Boxing Stadium in Bangkok, Thailand. A flyweight Muay Thai rematch between Kongthoranee Sor.Sommai and former ONE Bantamweight Muay Thai World Champion Nong-O Hama headlined the event. The pairing previously to met at ONE Fight Night 28 in February 2025, which Kongthoranee won by split decision.
Nong-O Hama
Self
Kongthoranee Sor.Sommai
Self
Tye Ruotolo
Self
Dante Leon
Self
Abolfazl Alipourandi
Self
Liam Nolan
Self
Lucas Gabriel
Self
Zhang Lipeng
Self
Abdollah Dayakaev
Self
Kickboxer68%
Undisputed III: Redemption75%
Never Back Down: No Surrender70%
Undisputed65%
Never Back Down 2: The Beatdown64%
Bloodsport70%
Unleashed69%
Fighting60%
The Quest61%
Raging Bull79%
John Wick: Chapter 273%
A Prayer Before Dawn67%
The Last Duel74%
Avengement68%
Hard Target65%
Grudge Match61%
Perfect Addiction67%
The Big Brawl59%
Born a Champion69%
Every Which Way but Loose61%
