| 1. Jornada | 03.03.2018 | Pohang Steelers | - | Daegu FC | 3:0 |  |
|||
| 2. Jornada | 11.03.2018 | Jeonnam Dragons | - | Pohang Steelers | 2:3 | ||||
| 3. Jornada | 18.03.2018 | Suwon Bluewings | - | Pohang Steelers | 1:1 | ||||
| 4. Jornada | 31.03.2018 | Pohang Steelers | - | Ulsan Hyundai FC | 2:1 | ||||
| 5. Jornada | 08.04.2018 | Pohang Steelers | - | Jeonbuk FC | 0:2 | |
|||
| 6. Jornada | 11.04.2018 | FC Seoul | - | Pohang Steelers | 2:1 | |
|||
| 8. Jornada | 21.04.2018 | Pohang Steelers | - | Sangju Sangmu | 0:2 | ||||
| 9. Jornada | 25.04.2018 | Pohang Steelers | - | Jeju United | 0:1 | ||||
| 10. Jornada | 29.04.2018 | Gangwon FC | - | Pohang Steelers | 0:0 |  |
|||
| 14. Jornada | 20.05.2018 | Pohang Steelers | - | Suwon Bluewings | 1:1 |
Corea del Sur