 On May 12, 2018, he defeated another Italian, Andrea Serra, by unanimous decision at THAI FIGHT Samui 2018.On July 7, 2018, Saenchai defeated Amir Naseri of Iran at THAI FIGHT Hat Yai 2018.On August 25, 2018, he defeated Russia's Nikita Surovezhkin by unanimous decision at THAI FIGHT Rayong 2018.