Home History
| Thailand - Beker | 2021/10/27 08:00 | Udon United v BG Pathum United | L | 0-2 |
| Thailand - League 3 | 2021/10/17 08:30 | Surin City FC v Udon United | D | 2-2 |
| Thailand - League Cup | 2021/10/13 08:00 | Khonkaen Mordindang FC v Udon United | W | 0-1 |
| Thailand - League 3 | 2021/10/02 08:30 | Khonkaen Mordindang FC v Udon United | L | 2-1 |
| Thailand - League 3 | 2021/03/21 10:00 | Raj Pracha v Udon United | L | 2-0 |
| Thailand - League 3 | 2021/03/13 09:00 | Udon United v Raj Pracha | W | 1-0 |
| Thailand - League 3 | 2021/03/06 09:00 | Lamphun Warrior FC v Udon United | W | 0-3 |
| Thailand - League 3 | 2021/02/27 09:00 | Udon United v Pluak Daeng United | D | 0-0 |
Away History
| Thailand - League Cup | 2021/10/20 08:00 | Sisaket FC v Nakhon Ratchasima United | L | 0-1 |
| Thailand - League 3 | 2021/10/17 08:30 | Sisaket FC v Yasothon FC | W | 2-0 |
| Thailand - 2e divisie | 2021/03/31 11:00 | Ranong United v Sisaket FC | L | 1-0 |
| Thailand - 2e divisie | 2021/03/28 11:00 | Sisaket FC v Lampang FC | W | 3-0 |
| Thailand - 2e divisie | 2021/03/24 11:00 | Phrae United v Sisaket FC | D | 2-2 |
| Thailand - 2e divisie | 2021/03/21 12:00 | Sisaket FC v Chiangmai | W | 2-0 |
| Thailand - 2e divisie | 2021/03/17 10:00 | Khonkaen v Sisaket FC | W | 1-2 |
| Thailand - 2e divisie | 2021/03/14 12:00 | Sisaket FC v Nong Bua Pitchaya | D | 0-0 |