 On October 27, 2018, Saenchai took a unanimous decision victory over Isaac Santos of Brazil at THAI FIGHT Chiang Rai 2018.On November 24, 2018, he defeated Sif El Islam Djebaili by 1st-round KO at THAI FIGHT Saraburi 2018.To close out the year, Saenchai faced Jamal Madani for the 2018 THAI FIGHT 67kg title at THAI FIGHT Nakhon Ratchasima 2018 on December 22, 2018.