FA Cup| ROUND | R2 | R3 | R4 | QF | SF | F | |
| l1 | l2 | ||||||
| Season archive |
| Wednesday, 14 April 2021 | ||||||
| r3 | Gimcheon Sangmu | 1-0 | Jeju United | |||
| 75 | Lee | |||||
| r3 | Daejon Citizen | 1-2 | Suwon Bluewings | |||
| 7 | Bruno Baio | 2 | Đerić | |||
| 66 | Choi | |||||
| r3 | Incheon United | 0-3 | FC Anyang | |||
| 8(p) | Nilson | |||||
| 53 | Jung | |||||
| 77 | Ha | |||||
| r3 | Seongnam Ilhwa | 1-0 | Busan I'Park | |||
| 37 | Lee | |||||
| r3 | FC Seoul | 0-1 | Seoul E-Land | |||
| 85 | Leandro | |||||
| r3 | Gyeongnam | 3-1 | FC Mokpo | aet | ||
| 69(p) | Lee | 73(p) | Cho | |||
| 107 | Lee | |||||
| 116 | Baek | |||||
| r3 | Gimhae FC | 1-1 | Bucheon FC 1995 | aet, p4-3 | ||
| 65 | Kim | 54 | Ahn | |||
| r3 | Suwon FC | 1-1 | Chunnam Dragons | aet, p4-5 | ||
| 53(p) | Yang | 16 | Park | |||
| r3 | Busan TC | 2-2 | Gwangju FC | aet, p5-3 | ||
| 79 | Lee | 52 | Song | |||
| 90 | Park | 58 | Lee | |||
| r3 | Chungbuk Cheongju | 1-2 | Gangwon | |||
| 64(p) | Lee | 78 | Shin | |||
| 90 | Ishida | |||||
| r3 | Pocheon Citizen | 0-2 | Yangju Citizen | |||
| 67 | Hwang | |||||
| 73 | Kim | |||||
| r3 | Ansan Greeners | 0-1 | Chungnam Asan | |||
| 49 | Matheus Alves | |||||
| 4 | +1 | PARK Hee-sung (Chunnam Dragons) |
| 3 | +1 | LEE Kang-uk (Busan TC) |
| ALEX Martins (Chunnam Dragons, 1p) | ||
| LEE Geon-hee (Seoul E-Land) | ||
| 2 | SEO Jin-su (Gimcheon Sangmu) | |
| MO Jae-hyeon (FC Anyang) | ||
| YOO Jong-hyun (FC Anyang) | ||
| +2 | LEE Jeong-hyeop (Gyeongnam, 1p) | |
| PARK Jin-sub (Daejon Citizen, 1p) |
