Home History
| Thailand Division 3 | 2020/11/01 09:00 | Royal Thai Army v Siam FC | L | 2-1 |
| Thailand Division 3 | 2020/10/24 09:00 | Siam FC v VRN Muangnont FC | D | 1-1 |
| Thailand Division 3 | 2020/10/21 09:00 | Inter Bangkok v Siam FC | W | 1-2 |
| Thailand Division 3 | 2020/10/18 09:00 | Samut Prakan FC v Siam FC | L | 2-1 |
| Thailand Division 3 | 2020/10/10 09:00 | Siam FC v Kasem Bundit University | L | 2-3 |
| Thailand Division 3 | 2020/10/03 09:15 | Thonburi United FC v Siam FC | L | 2-1 |
| Thailand Cup | 2020/09/30 08:30 | Phitsanulok Unity v Siam FC | L | 3-0 |
| Thailand Division 4 | 2020/02/29 09:00 | Samut Prakan FC v Siam FC | D | 0-0 |
Away History
| Thailand Division 3 | 2020/11/01 11:30 | VRN Muangnont FC v Royal Thai Air Force FC | L | 3-0 |
| Thailand Division 3 | 2020/10/11 09:00 | Royal Thai Air Force FC v Nonthaburi United | L | 1-2 |