Home History
| Thailand Division 3 | 2020/03/01 11:00 | Ang Thong FC v Phitsanulok Unity | L | 3-0 |
| Thailand Division 4 | 2019/10/27 11:00 | Phitsanulok Unity v Pattani FC | D | 1-1 |
| Thailand Division 4 | 2019/10/12 08:59 | Bankhai United v Phitsanulok Unity | W | 1-3 |
| Thailand Division 4 | 2019/10/06 11:03 | Phitsanulok Unity v Muang Loei United | L | 1-2 |
| Thailand Division 4 | 2019/09/28 11:00 | Uttaradit FC v Phitsanulok Unity | W | 0-2 |
| Thailand Division 4 | 2019/09/22 11:00 | Phitsanulok Unity v RBRU Chanthaburi Utd | W | 3-0 |
| Thailand Division 4 | 2019/09/01 09:00 | Phitsanulok Unity v Maejo United | D | 2-2 |
| Thailand Division 4 | 2019/07/06 11:00 | Singburi FC v Phitsanulok Unity | L | 3-1 |
Away History
| Thailand Division 4 | 2020/02/29 09:00 | Samut Prakan FC v Siam FC | D | 0-0 |
| Thailand Division 4 | 2019/08/21 11:00 | Bangkok United II v Siam FC | L | 2-0 |
| Thailand Division 4 | 2019/08/04 08:59 | Siam FC v Rangsit United | D | 2-2 |
| Thailand Division 4 | 2019/07/28 08:50 | Grakcu Sai Mai United v Siam FC | L | 2-1 |
| Thailand Division 4 | 2019/07/21 08:50 | Siam FC v PTU Pathum Thani FC | L | 0-2 |
| Thailand Division 4 | 2019/06/29 10:51 | Muang Thong United II v Siam FC | L | 3-0 |
| Thailand Division 4 | 2019/06/02 09:00 | Siam FC v Thonburi University | L | 1-2 |
| Thailand Division 4 | 2019/05/12 08:59 | Siam FC v Air Force Robinson FC | D | 2-2 |