| Time | Status | Match | FT | H1 | Stats |
| 01/09/2018 12:30 |
(FT) | Sangju Sangmu Phoenix[9] Chunnam Dragons[11] |
1 2 |
0 1 |
MF | ME |
| 01/09/2018 13:00 |
(FT) | Gangwon FC[6] Seoul[8] |
0 0 |
0 0 |
MF | ME |
| 02/09/2018 11:00 |
(FT) | Pohang Steelers[5] Jeju United FC[7] |
2 2 |
0 1 |
MF | ME |
| 02/09/2018 11:00 |
(FT) | Incheon United FC[12] Ulsan Hyundai Horang-i[3] |
3 2 |
2 1 |
MF | ME |
| 02/09/2018 12:00 |
(FT) | Daegu FC[10] Suwon Samsung Bluewings[4] |
4 2 |
3 1 |
MF | ME |
| 02/09/2018 12:00 |
(FT) | Gyeongnam FC[2] Jeonbuk Hyundai Motors[1] |
0 3 |
0 2 |
MF | ME |