| K League 1 | 04/04/21 | Suwon FC | - | Jeju United | 2:1 | ||||
| K League 1 | 24/04/21 | Pohang Steelers | - | Jeju United | 0:0 | ||||
| K League 1 | 16/05/21 | Jeju United | - | Daegu FC | 1:2 | ||||
| K League 1 | 25/07/21 | Gangwon FC | - | Jeju United | 2:2 | ||||
| K League 1 | 21/11/21 | Ulsan Hyundai FC | - | Jeju United | 3:1 |
South Korea