3. Round
28/03/2018 06:00 Yangpyeong FC - Siheung Citizen FC 2:1 (0:0)
06:00 Ulsan Hyundai FC - Gyeongju KHNP 1:3 (0:1, 1:1) aet
07:00 Chuncheon FC - Jeonju Citizen 3:2 (2:0)
07:00 Asan Mugunghwa FC - Yeoju Sejong FC 7:0 (4:0)
07:00 Daejeon Korail - Gwangju FC 3:1 (2:1)
11:00 FC Anyang - Changwon City FC 2:1 (1:1)
11:00 Mokpo City FC - Jungnang Chorus Mustang 3:1 (1:0)
11:00 Cheonan City FC - Jeonju University 2:1 (0:0)
11:00 Busan Transportation Corporation - Chungju Citizen FC 4:0 (2:0)
11:00 Gangneung City FC - Pukyong National University FC 2:0 (0:0, 0:0) aet
11:00 Ansan Greeners - Suwon University FC 7:0 (3:0)
11:30 Gimhae City FC - Cheongju City 5:4 (0:0, 0:0, 0:0) pso
11:30 Suwon FC - Jungwon University 4:0 (1:0)
12:00 Korea University - Seoul E-Land FC 1:3 (0:0, 0:0, 0:0) pso
12:00 Seongnam FC - Daejeon Citizen 1:0 (0:0)
31/03/2018 06:00 Gimpo Citizen FC - Pyeongtaek Citizen FC 2:1 (1:1, 1:1) aet
06:00 Hwaseong FC - Yongin University 2:3 (1:0, 1:1) aet
07:00 Pocheon FC - Incheon University 2:0 (1:0)
07:00 Paju Citizen - Gyeongju Citizen FC 0:1 (0:0)
04/04/2018 06:00 Busan IPark - Bucheon FC 1995 2:1 (0:1)
4. Round
25/07/2018 09:00 Busan Transportation Corporation - Jeonbuk FC 1:3 (0:1)
11:00 Gyeongnam FC - FC Seoul 1:3 (0:0, 0:0, 0:0) pso
11:00 Chuncheon FC - Daejeon Korail 2:1 (0:0)
11:00 Gangneung City FC - Cheonan City FC 1:2 (1:1, 1:1) aet
11:00 FC Anyang - Mokpo City FC 1:2 (0:1, 1:1) aet
11:00 Ansan Greeners - Asan Mugunghwa FC 0:1 (0:0, 0:0) aet
11:30 Incheon United - Pocheon FC 2:0 (1:0)
11:30 Ulsan Hyundai FC - Suwon FC 1:0 (0:0)
11:30 Pohang Steelers - Jeonnam Dragons 0:1 (0:0)
11:30 Gimpo Citizen FC - Suwon Bluewings 1:6 (0:3)
11:30 Daegu FC - Yongin University 4:1 (0:0)
11:30 Yangpyeong FC - Sangju Sangmu 4:2 (0:0, 1:1, 2:2) pso
11:30 Gimhae City FC - Gangwon FC 2:1 (0:0)
11:30 Jeju United - Korea University 4:1 (1:0)
12:00 Busan IPark - Gyeongju Citizen FC 3:2 (0:1, 2:2) aet
12:00 Gyeongju KHNP - Seongnam FC 1:0 (0:0, 0:0) aet
Round of 16
08/08/2018 11:00 Jeonnam Dragons - Chuncheon FC 2:1 (1:0)
11:00 Asan Mugunghwa FC - Jeonbuk FC 2:1 (0:1)
11:00 Busan IPark - Ulsan Hyundai FC 0:2 (0:0)
11:00 Cheonan City FC - Suwon Bluewings 2:4 (1:0, 2:2) aet
11:30 Daegu FC - Yangpyeong FC 8:0 (2:0)
11:30 Incheon United - Mokpo City FC 1:2 (1:0)
11:30 Gimhae City FC - Gyeongju KHNP 1:0 (0:0)
11:30 FC Seoul - Jeju United 1:2 (0:1)
Quarter-finals
03/10/2018 06:00 Jeonnam Dragons - Asan Mugunghwa FC 4:2 (1:0, 1:1, 1:1) pso
06:00 Mokpo City FC - Daegu FC 1:2 (0:1)
06:00 Ulsan Hyundai FC - Gimhae City FC 2:0 (0:0)
17/10/2018 11:30 Suwon Bluewings - Jeju United 2:1 (1:0, 1:1, 2:2) pso
Semi-finals
31/10/2018 10:30 Jeonnam Dragons - Daegu FC 1:2 (0:2)
10:30 Ulsan Hyundai FC - Suwon Bluewings 2:1 (2:0)
Final
05/12/2018 10:30 Ulsan Hyundai FC - Daegu FC 1:2 (0:0)
08/12/2018 04:30 Daegu FC - Ulsan Hyundai FC 3:0 (0:0)
Cup
Cup