Airing live on 3 May, ONE Fight Night 31 will showcase some of the best martial arts stars and several thrilling grudge matches that promise to set the stage on fire. A non-title and title bout will headline this blockbuster event at the Lumpinee Stadium in Bangkok, Thailand.
Two of the greatest generational Muay Thai stars, Kongthoranee Sor Sommai and Nong-O Hama, are set to go all out in their rematch. Plus, Tye Ruotolo will defend his ONE Welterweight Submission Grappling World Title against Dante Leon. Let's look at some other bouts that could deliver epic action.

Former ONE Welterweight MMA World Champion Zebaztian Kadestam returns to action after a two-year hiatus. In his last outing, "The Bandit" knocked out Croatian sensation Roberto Soldic. This time, he will square off against Isi Fitikefu, who is riding a two-fight win streak.
It's a classic striker-versus-grappler matchup. The 34-year-old Swede will look to defeat his rival convincingly. The winner of this high-profile MMA clash could earn a title shot against the reigning champion Christian Lee.
In a lightweight Muay Thai grudge rematch, two of Europe's finest strikers will lock horns after more than a year. Last time, Spain's Trujillo defeated Nolan via unanimous decision. The Brit shocked the striking world by announcing his retirement earlier this year.
But after a conversation with ONE Chairman and CEO Chatri Sityodtong, the 27-year-old sensation is ready to face his old foe. Nolan has set his sights on evening the score and putting his name in contention for the title shot.
Two of the flyweight Muay Thai division's finest strikers will go head-to-head in a thrilling showdown. Filipino-American striker Sean Climaco will trade leather with Azerbaijani teenage sensation Akif Guluzada, who recently earned a six-figure contract and a spot on ONE's global roster.
Guluzada has been a revelation since his debut at ONE Friday Fights, racking up three emphatic victories. Meanwhile, American veteran Climaco impressed with two wins in his last three bouts. With both men bringing firepower, this clash promises to be a barnburner from start to finish.