1. Round | 25/02/2023 | Ulsan Hyundai FC | - | Jeonbuk FC | 2:1 | ||||
5. Round | 02/04/2023 | Jeju United | - | Ulsan Hyundai FC | 1:3 | ||||
6. Round | 08/04/2023 | Ulsan Hyundai FC | - | Suwon Bluewings | 2:1 | ||||
7. Round | 16/04/2023 | Daejeon Hana Citizen | - | Ulsan Hyundai FC | 2:1 | ||||
9. Round | 25/04/2023 | Incheon United | - | Ulsan Hyundai FC | 0:1 | ||||
10. Round | 30/04/2023 | Ulsan Hyundai FC | - | Gwangju FC | 2:1 | ||||
13. Round | 14/05/2023 | Ulsan Hyundai FC | - | FC Seoul | 3:2 | ||||
18. Round | 10/06/2023 | Ulsan Hyundai FC | - | Jeju United | 5:1 | ||||
19. Round | 24/06/2023 | Ulsan Hyundai FC | - | Daegu FC | 3:1 | ||||
20. Round | 02/07/2023 | Gwangju FC | - | Ulsan Hyundai FC | 0:1 | ||||
21. Round | 08/07/2023 | Pohang Steelers | - | Ulsan Hyundai FC | 0:1 | ||||
22. Round | 12/07/2023 | Ulsan Hyundai FC | - | Incheon United | 1:2 | ||||
24. Round | 21/07/2023 | Ulsan Hyundai FC | - | Jeju United | 2:1 | ||||
25. Round | 05/08/2023 | Daegu FC | - | Ulsan Hyundai FC | 0:0 | ||||
26. Round | 12/08/2023 | Gangwon FC | - | Ulsan Hyundai FC | 2:0 |