| 27 Feb 21 | r01        | Jeonnam DragonsJeonnam Drago | 0 - 0 | Chungnam AsanChungnam Asan |
| |
| 07 Mar 21 | r02        | Jeonnam DragonsJeonnam Drago | 1 - 0 | Gyeongnam FCGyeongnam FC |
| |
| 14 Mar 21 | r03        | Seoul E-LandSeoul E-Land | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 20 Mar 21 | r04        | Bucheon FC 1995Bucheon FC 19 | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 04 Apr 21 | r05        | Jeonnam DragonsJeonnam Drago | 1 - 2 | Daejeon Hana CitizenDaejeon Hana |
| |
| 11 Apr 21 | r06        | Ansan GreenersAnsan Greener | 0 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 18 Apr 21 | r07        | Jeonnam DragonsJeonnam Drago | 2 - 1 | Sangju SangmuSangju Sangmu |
| |
| 24 Apr 21 | r08        | Busan IParkBusan IPark | 0 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 01 May 21 | r09        | Jeonnam DragonsJeonnam Drago | 0 - 1 | AnyangAnyang |
| |
| 05 May 21 | r10        | Daejeon Hana CitizenDaejeon Hana | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 09 May 21 | r11        | Gyeongnam FCGyeongnam FC | 0 - 2 | Jeonnam DragonsJeonnam Drago |
| |
| 17 May 21 | r12        | Jeonnam DragonsJeonnam Drago | 2 - 0 | Ansan GreenersAnsan Greener |
| |
| 23 May 21 | r13        | Jeonnam DragonsJeonnam Drago | 1 - 2 | Busan IParkBusan IPark |
| |
| 30 May 21 | r14        | Sangju SangmuSangju Sangmu | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 05 Jun 21 | r15        | Jeonnam DragonsJeonnam Drago | 3 - 0 | Seoul E-LandSeoul E-Land |
| |
| 13 Jun 21 | r16        | Jeonnam DragonsJeonnam Drago | 0 - 2 | Bucheon FC 1995Bucheon FC 19 |
| |
| 20 Jun 21 | r17        | Chungnam AsanChungnam Asan | 0 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 28 Jun 21 | r18        | AnyangAnyang | 0 - 0 | Jeonnam DragonsJeonnam Drago |
| |
| 05 Jul 21 | r19        | Jeonnam DragonsJeonnam Drago | 0 - 0 | Gyeongnam FCGyeongnam FC |
| |
| 11 Jul 21 | r20        | Busan IParkBusan IPark | 0 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 17 Jul 21 | r21        | Jeonnam DragonsJeonnam Drago | 0 - 3 | Chungnam AsanChungnam Asan |
| |
| 25 Jul 21 | r22        | Bucheon FC 1995Bucheon FC 19 | 1 - 2 | Jeonnam DragonsJeonnam Drago |
| |
| 01 Aug 21 | r23        | Ansan GreenersAnsan Greener | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 08 Aug 21 | r24        | Jeonnam DragonsJeonnam Drago | 0 - 0 | Daejeon Hana CitizenDaejeon Hana |
| |
| 14 Aug 21 | r25        | Jeonnam DragonsJeonnam Drago | 1 - 2 | AnyangAnyang |
| |
| 22 Aug 21 | r26        | Seoul E-LandSeoul E-Land | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 29 Aug 21 | r27        | Jeonnam DragonsJeonnam Drago | 2 - 2 | Sangju SangmuSangju Sangmu |
| |
| 05 Sep 21 | r28        | Gyeongnam FCGyeongnam FC | 0 - 2 | Jeonnam DragonsJeonnam Drago |
| |
| 13 Sep 21 | r29        | Daejeon Hana CitizenDaejeon Hana | 2 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 18 Sep 21 | r30        | Jeonnam DragonsJeonnam Drago | 1 - 2 | Bucheon FC 1995Bucheon FC 19 |
| |
| 26 Sep 21 | r31        | Chungnam AsanChungnam Asan | 0 - 0 | Jeonnam DragonsJeonnam Drago |
| |
| 02 Oct 21 | r32        | AnyangAnyang | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 09 Oct 21 | r33        | Jeonnam DragonsJeonnam Drago | 1 - 0 | Seoul E-LandSeoul E-Land |
| |
| 17 Oct 21 | r34        | Jeonnam DragonsJeonnam Drago | 2 - 0 | Busan IParkBusan IPark |
| |
| 23 Oct 21 | r35        | Sangju SangmuSangju Sangmu | 3 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 31 Oct 21 | r36        | Jeonnam DragonsJeonnam Drago | 2 - 3 | Ansan GreenersAnsan Greener |
| |
| 03 Nov 21 | r00        | Daejeon Hana CitizenDaejeon Hana | 0 - 0 | Jeonnam DragonsJeonnam Drago |