The 2020 season is SCG Muangthong United Football Club's 14th existence in the new era since they took over from Nongchok Pittaya Nusorn Football Club in 2007.

[1] However, on March 4, the decision changed to postpone all of matches prior to 18 April due to the coronavirus pandemic in Thailand.

[2] It was later confirmed that the match will restarted in September 2020 and end in May 2021.

Note 1: Jesse Curran moves to Udon Thani F.C.

on loan after failure to obtain the Philippines passport so as to be eligible to be registered as SEA player Win Draw Loss Leo Cup 2020 Thailand – 22 to 30 January Win Draw Loss Win Draw Loss s Win Draw Loss Win Draw Loss