 On October 26, 2019, Saenchai delivered a 1st-round knockout victory over Batjargal Sundui of Mongolia at THAI FIGHT Bangsaen 2019.Saenchai was entered into the 2019 THAI FIGHT 70kg King's Cup Tournament prior to THAI FIGHT Mae Sot 2019.On November 23, 2019, Saenchai defeated Alejandro Amicucci of Argentina via 1st-round KO in the THAI FIGHT 70kg King's Cup Tournament Semi Finals at THAI FIGHT Mae Sot 2019, advancing to the Tournament Final.