The 2020 Thailand Champions Cup was the 4th Thailand Champions Cup, an annual football match contested by the winners of the previous season's Thai League 1 and Thai FA Cup competitions. It was sponsored by Government Savings Bank (Omsin Bank), and known as the Omsin Thailand Champions Cup () for sponsorship purposes. The match was played at SCG Stadium, Nonthaburi and contested by 2019 Thai League 1 champions Chiangrai United, and Port as the champions of the 2019 Thai FA Cup.
Assistant referees: <br /> Pattarapong Kidsatid <br /> Thanat Chucheun <br />Fourth official: <br /> Wiwat Jampa-on <br />Assistant VAR: <br /> Sivakorn Pu-udom <br /> Rawut Nakrit