| 14. Ronde | 18.06.2017 | Incheon United | - | Sangju Sangmu | 1:1 | ||||
| 15. Ronde | 21.06.2017 | Incheon United | - | Pohang Steelers | 0:3 | ||||
| 16. Ronde | 24.06.2017 | Ulsan Hyundai FC | - | Incheon United | 1:2 |  |
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| 17. Ronde | 28.06.2017 | Jeju United | - | Incheon United | 1:1 | ||||
| 18. Ronde | 01.07.2017 | Incheon United | - | Gwangju FC | 1:0 | ||||
| 19. Ronde | 08.07.2017 | Incheon United | - | Daegu FC | 0:0 | ||||
| 20. Ronde | 12.07.2017 | Suwon Bluewings | - | Incheon United | 3:0 | ||||
| 21. Ronde | 16.07.2017 | Incheon United | - | Gangwon FC | 1:1 | ||||
| 22. Ronde | 19.07.2017 | Incheon United | - | FC Seoul | 1:5 | ||||
| 23. Ronde | 22.07.2017 | Ulsan Hyundai FC | - | Incheon United | 1:1 | ||||
| 28. Ronde | 08.10.2017 | Gangwon FC | - | Incheon United | 2:0 | |
Zuid-Korea