Home History
| Thailand Premier League | 2020/09/13 12:00 | Samut Prakan City v Rayong FC | L | 1-0 |
| World Club Friendlies | 2020/08/01 12:00 | Rayong FC v Chonburi | L | 1-3 |
| Thailand Premier League | 2020/02/29 10:45 | Rayong FC v Suphanburi FC | L | 0-1 |
| Thailand Premier League | 2020/02/26 13:00 | Rayong FC v Muang Thong United | L | 0-3 |
| Thailand Premier League | 2020/02/21 13:00 | Rayong FC v Nakhon Ratchasima | L | 1-2 |
| Thailand Premier League | 2020/02/16 12:00 | Chonburi v Rayong FC | L | 2-0 |
| World Club Friendlies | 2020/01/31 11:30 | Chonburi v Rayong FC | L | 2-0 |
| World Club Friendlies | 2020/01/22 11:00 | Rayong FC v Sisaket FC | W | 2-1 |
Away History
| Thailand Premier League | 2020/09/20 12:00 | Nakhon Ratchasima v Chiangrai Utd | W | 0-4 |
| Thailand Premier League | 2020/09/12 11:00 | Chiangrai Utd v Prachuap FC | W | 1-0 |
| Thailand Premier League | 2020/02/29 11:00 | Bangkok United v Chiangrai Utd | L | 4-1 |
| Thailand Premier League | 2020/02/26 10:45 | Chiangrai Utd v Trat FC | W | 3-0 |
| Thailand Premier League | 2020/02/22 11:00 | Chiangrai Utd v Suphanburi FC | D | 2-2 |
| AFC Champions League | 2020/02/18 12:00 | Chiangrai Utd v Beijing Guoan | L | 0-1 |
| Thailand Premier League | 2020/02/14 13:00 | Samut Prakan City v Chiangrai Utd | D | 1-1 |
| AFC Champions League | 2020/02/11 08:35 | Melbourne Victory v Chiangrai Utd | L | 1-0 |