SLUGFEST , Demetrius Johnson ( MMA ) VS Rodtang ( Muay Thai ) , Best Fight ONE Championship

Rodtang Jitmuangnon vs. Demetrious Johnson was a Special-Rules fight event produced by One Championship for their special event on the 10th anniversary titled ONE: X. The contest consisted of four rounds, each lasting three minutes and alternating between the rules of Muay Thai and mixed martial arts. The fight began with Muay Thai rules and then switched to MMA for the subsequent rounds.