1. Round | 25/02/2023 | FC Seoul | - | Incheon United | 2:1 | ||||
2. Round | 04/03/2023 | Incheon United | - | Daejeon Hana Citizen | 3:3 | ||||
3. Round | 12/03/2023 | Incheon United | - | Jeju United | 1:0 | ||||
4. Round | 18/03/2023 | Gwangju FC | - | Incheon United | 5:0 | ||||
5. Round | 01/04/2023 | Incheon United | - | Daegu FC | 0:0 | ||||
6. Round | 09/04/2023 | Jeonbuk FC | - | Incheon United | 2:0 | ||||
7. Round | 16/04/2023 | Gangwon FC | - | Incheon United | 0:2 | ||||
8. Round | 22/04/2023 | Incheon United | - | Suwon FC | 2:2 | ||||
10. Round | 30/04/2023 | Pohang Steelers | - | Incheon United | 0:2 | ||||
11. Round | 05/05/2023 | Incheon United | - | Suwon Bluewings | 0:1 | ||||
12. Round | 10/05/2023 | Jeju United | - | Incheon United | 2:0 | ||||
13. Round | 14/05/2023 | Incheon United | - | Jeonbuk FC | 0:0 | ||||
14. Round | 20/05/2023 | Incheon United | - | Gwangju FC | 1:1 | ||||
15. Round | 27/05/2023 | Daegu FC | - | Incheon United | 2:2 | ||||
28. Round | 25/08/2023 | Suwon FC | - | Incheon United | 1:2 | ||||
30. Round | 16/09/2023 | Incheon United | - | Jeju United | 2:1 | ||||
31. Round | 24/09/2023 | Gangwon FC | - | Incheon United | 1:1 |