Mungkornlek became the new Rajadamnern Stadium featherweight champion after defeating Narak by unanimous decision at RWS on October 24, 2026, in Bangkok. The five-round contest was fought for the 126 lb (57.2 kg) title, with all three judges scoring it in Mungkornlek’s favour: 50–44, 49–45 and 49–45. The victory ended Narak’s reign, which began in July when he defeated Chiabkard to claim the championship.



The title fight was part of a seven-bout card at Rajadamnern Stadium that also featured three stoppages. Phet A-Cheer defeated Karam Toor by second-round TKO, Thanungern stopped Vahid Nikkhah in the third round, and Changsuek finished Zouhair Abou Elfdal in round two. Tadhg Gannon, Pinpetch and Francisco Caballero also earned unanimous decision victories, completing a night headlined by the crowning of a new featherweight champion.