Schedule
| Date | Dead line | Home | Away | Group | Result | Points rule |
|---|---|---|---|---|---|---|
| 19/06/21 05:00 | 19/06/21 05:00 | K1 Gimcheon Sangmu | K2 Seoul Eland | K2 | 2-0 | 2 - 4 points |
| 19/06/21 05:00 | 19/06/21 05:00 | K2 Daejeon Hana Citizens | K2 Ansan Greeners | K2 | 0-0 | 2 - 4 points |
| 19/06/21 05:00 | 19/06/21 05:00 | K2 Bucheon | K2 Gyeongnam FC | K2 | 1-1 | 2 - 4 points |
| 19/06/21 05:00 | 19/06/21 05:00 | K2 Chungnam Asan | K2 Jeonnam Dragons | K2 | 0-1 | 2 - 4 points |
| 19/06/21 05:00 | 19/06/21 05:00 | K2 Busan | K2 Anyang | K2 | 4-5 | 2 - 4 points |
| 19/06/21 05:00 | 19/06/21 05:00 | K2 Gimpo | K3 Gimhae FC | K3 | 1-2 | 2 - 4 points |
| 19/06/21 05:00 | 19/06/21 05:00 | K4 Jeonju Citizen | K4 FC Namdong | K4 | 4-2 | 2 - 4 points |