For the Western region, a total 24 matches per team competing in 3 legs.

If all of head-to-head still tie, must to find the home team from penalty kickoff on the end of each 2nd leg match (This penalty kickoff don't bring to calculate points on league table, it's only the process to find the home team in 3rd leg).

Source: Thai League Source: Thai League Note:Unk.1 Some error of T4 official match report 6 April 2019 (Chainat Hornbill (B) 1–2 IPE Samut Sakhon United).

Unk.2 Some error of T4 official match report 1 June 2019 (Samut Songkhram 3–3 Ratchaburi Mitr Phol (B)).

Unk.3 Some error of T4 official match report 8 June 2019 (Hua Hin City 3–0 Chainat Hornbill (B)).