| 29 Jul | Gimhae City vs Seongnam FC | FA Cup | 0 - 1 |
| 29 Jul | Cheongju vs FC Anyang | FA Cup | 1 - 3 |
| 29 Jul | Jeju United FC vs Hwaseong | FA Cup | 3 - 3 |
| 29 Jul | Asan Mugunghwa vs Siheung Citizen | FA Cup | 2 - 1 |
| 29 Jul | Bucheon FC 1995 vs Paju Citizen | FA Cup | 3 - 0 |
| 29 Jul | Busan I Park vs FC Seoul | FA Cup | 2 - 0 |
| 29 Jul | Busan Transportation vs Jinju Citizen | FA Cup | 1 - 1 |
| 29 Jul | Gimcheon Sangmu FC vs Suwon City FC | FA Cup | 2 - 1 |
| 29 Jul | Gimpo Citizen vs Incheon United | FA Cup | 1 - 0 |
| 29 Jul | Gwangju FC vs Cheonan City | FA Cup | 1 - 0 |
| 29 Jul | Ulsan Citizen vs Ulsan Hyundai FC | FA Cup | 1 - 0 |
| 29 Jul | Yeoju Sejong vs Dangjin Citizen | FA Cup | 0 - 1 |
| 15 Jul | Cheonan City vs Mokpo City | FA Cup | 2 - 1 |
| 15 Jul | Gyeongnam FC vs Yeoju Sejong | FA Cup | 0 - 0 |
| 15 Jul | Jeonnam Dragons vs Asan Mugunghwa | FA Cup | 2 - 2 |
| 15 Jul | Changwon City vs Gimhae City | FA Cup | 0 - 5 |
| 15 Jul | Daegu FC vs Siheung Citizen | FA Cup | 0 - 1 |
| 15 Jul | Hwaseong vs Yangpyeong | FA Cup | 3 - 3 |
| 15 Jul | Paju Citizen vs Gangneung City | FA Cup | 2 - 2 |
| 15 Jul | Seongnam FC vs Pocheon | FA Cup | 2 - 1 |
| 15 Jul | Suwon City FC vs Pyeongchang United | FA Cup | 2 - 2 |
| 15 Jul | Ulsan Citizen vs Seoul E-Land FC | FA Cup | 4 - 2 |
| 15 Jul | Yongin City vs Dangjin Citizen | FA Cup | 0 - 2 |
| 15 Jul | Busan Transportation vs Suwon Bluewings | FA Cup | 2 - 1 |
| 15 Jul | Cheongju vs Gyeongju HNP | FA Cup | 1 - 0 |
| 15 Jul | Namyangju vs Gimpo Citizen | FA Cup | 1 - 2 |
| 15 Jul | Busan I Park vs Geoje Citizen | FA Cup | 2 - 0 |
| 15 Jul | Ansan Greeners vs Jinju Citizen | FA Cup | 0 - 2 |
| 05 Jul | Gyeongju HNP vs Seosan Pioneer | FA Cup | 3 - 0 |
| 05 Jul | Pyeongtaek Citizen vs Yeoju Sejong | FA Cup | 1 - 3 |
| 05 Jul | Busan Transportation vs Gijang United | FA Cup | 2 - 1 |
| 05 Jul | Namyangju vs Jungnang Chorus Mustang | FA Cup | 2 - 0 |
| 05 Jul | Geoje Citizen vs Seogot | FA Cup | 1 - 0 |
| 04 Jul | Gangneung City vs Jecheon Citizen | FA Cup | 1 - 0 |
| 04 Jul | Haman vs Dangjin Citizen | FA Cup | 0 - 2 |
| 04 Jul | Jinju Citizen vs Sejong SA | FA Cup | 2 - 1 |
| 04 Jul | Ulsan Citizen vs Chuncheon | FA Cup | 2 - 0 |
| 04 Jul | Mokpo City vs Anseong | FA Cup | 2 - 2 |
| 04 Jul | Ulsan FC vs Yangpyeong | FA Cup | 1 - 3 |
| 04 Jul | Yangcheon TNT vs Pyeongchang United | FA Cup | 1 - 2 |
| 04 Jul | Changwon City vs Geumsan Insam | FA Cup | 3 - 0 |
| 04 Jul | Pocheon vs Daejeon Korail | FA Cup | 1 - 0 |
| 04 Jul | Jincheon vs Siheung Citizen | FA Cup | 1 - 1 |
