Home History
| Thailand Division 2 | 2021/09/15 12:30 | Phrae United v Rayong FC | L | 2-0 |
| Thailand Division 2 | 2021/09/12 11:00 | Rayong FC v Muangkan Utd | W | 3-2 |
| Thailand Division 2 | 2021/09/04 12:00 | Chiangmai v Rayong FC | L | 2-1 |
| Europe Friendlies | 2021/07/03 09:30 | Trat FC v Rayong FC | W | 0-1 |
| Thailand Premier League | 2021/03/28 11:00 | Rayong FC v Chonburi | D | 1-1 |
| Thailand Premier League | 2021/03/21 10:00 | Bangkok United v Rayong FC | L | 4-1 |
| Thailand Premier League | 2021/03/17 11:00 | Rayong FC v Police Tero FC | W | 6-1 |
| Thailand Premier League | 2021/03/13 12:00 | Sukhothai FC v Rayong FC | L | 5-1 |
Away History
| Thailand Division 2 | 2021/09/15 12:00 | Ranong United v Customs United | D | 3-3 |
| Thailand Division 2 | 2021/09/11 10:00 | Kasetsart FC v Ranong United | L | 1-0 |
| Thailand Division 2 | 2021/09/04 12:00 | Ranong United v Udon Thani FC | D | 3-3 |
| Thailand Division 2 | 2021/03/31 11:00 | Ranong United v Sisaket FC | W | 1-0 |
| Thailand Division 2 | 2021/03/28 12:00 | Khonkaen United v Ranong United | L | 1-0 |
| Thailand Division 2 | 2021/03/24 12:00 | Ranong United v Ayutthaya United | W | 2-0 |
| Thailand Division 2 | 2021/03/20 10:00 | Customs United v Ranong United | W | 2-3 |
| Thailand Division 2 | 2021/03/17 11:00 | Ranong United v Chainat FC | W | 1-0 |