| 28 Feb 21 | r01        | Busan IParkBusan IPark | 0 - 3 | Seoul E-LandSeoul E-Land |
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| 06 Mar 21 | r02        | Seoul E-LandSeoul E-Land | 4 - 0 | Sangju SangmuSangju Sangmu |
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| 14 Mar 21 | r03        | Seoul E-LandSeoul E-Land | 1 - 1 | Jeonnam DragonsJeonnam Drago |
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| 21 Mar 21 | r04        | Gyeongnam FCGyeongnam FC | 0 - 0 | Seoul E-LandSeoul E-Land |
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| 04 Apr 21 | r05        | Seoul E-LandSeoul E-Land | 4 - 0 | Bucheon FC 1995Bucheon FC 19 |
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| 10 Apr 21 | r06        | Seoul E-LandSeoul E-Land | 0 - 1 | Chungnam AsanChungnam Asan |
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| 17 Apr 21 | r07        | Daejeon Hana CitizenDaejeon Hana | 2 - 1 | Seoul E-LandSeoul E-Land |
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| 25 Apr 21 | r08        | Seoul E-LandSeoul E-Land | 1 - 2 | AnyangAnyang |
| |
| 02 May 21 | r09        | Seoul E-LandSeoul E-Land | 1 - 0 | Ansan GreenersAnsan Greener |
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| 05 May 21 | r10        | Seoul E-LandSeoul E-Land | 1 - 1 | Gyeongnam FCGyeongnam FC |
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| 17 May 21 | r12        | Bucheon FC 1995Bucheon FC 19 | 1 - 1 | Seoul E-LandSeoul E-Land |
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| 22 May 21 | r13        | Ansan GreenersAnsan Greener | 1 - 1 | Seoul E-LandSeoul E-Land |
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| 29 May 21 | r14        | Seoul E-LandSeoul E-Land | 0 - 1 | Daejeon Hana CitizenDaejeon Hana |
| |
| 05 Jun 21 | r15        | Jeonnam DragonsJeonnam Drago | 3 - 0 | Seoul E-LandSeoul E-Land |
| |
| 12 Jun 21 | r16        | AnyangAnyang | 0 - 0 | Seoul E-LandSeoul E-Land |
| |
| 16 Jun 21 | r11        | Chungnam AsanChungnam Asan | 0 - 0 | Seoul E-LandSeoul E-Land |
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| 19 Jun 21 | r17        | Sangju SangmuSangju Sangmu | 2 - 0 | Seoul E-LandSeoul E-Land |
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| 27 Jun 21 | r18        | Seoul E-LandSeoul E-Land | 0 - 1 | Busan IParkBusan IPark |
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| 05 Jul 21 | r19        | Seoul E-LandSeoul E-Land | 0 - 0 | Ansan GreenersAnsan Greener |
| |
| 10 Jul 21 | r20        | Daejeon Hana CitizenDaejeon Hana | 0 - 2 | Seoul E-LandSeoul E-Land |
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| 19 Jul 21 | r21        | Seoul E-LandSeoul E-Land | 0 - 0 | Sangju SangmuSangju Sangmu |
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| 07 Aug 21 | r24        | Seoul E-LandSeoul E-Land | 1 - 3 | Chungnam AsanChungnam Asan |
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| 14 Aug 21 | r25        | Seoul E-LandSeoul E-Land | 1 - 2 | Bucheon FC 1995Bucheon FC 19 |
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| 18 Aug 21 | r22        | Seoul E-LandSeoul E-Land | 0 - 1 | AnyangAnyang |
| |
| 22 Aug 21 | r26        | Seoul E-LandSeoul E-Land | 1 - 1 | Jeonnam DragonsJeonnam Drago |
| |
| 29 Aug 21 | r27        | Gyeongnam FCGyeongnam FC | 3 - 3 | Seoul E-LandSeoul E-Land |
| |
| 04 Sep 21 | r28        | Sangju SangmuSangju Sangmu | 3 - 1 | Seoul E-LandSeoul E-Land |
| |
| 11 Sep 21 | r29        | Bucheon FC 1995Bucheon FC 19 | 0 - 3 | Seoul E-LandSeoul E-Land |
| |
| 19 Sep 21 | r30        | Seoul E-LandSeoul E-Land | 2 - 1 | Daejeon Hana CitizenDaejeon Hana |
| |
| 22 Sep 21 | r23        | Busan IParkBusan IPark | 1 - 1 | Seoul E-LandSeoul E-Land |
| |
| 27 Sep 21 | r31        | Seoul E-LandSeoul E-Land | 1 - 2 | Busan IParkBusan IPark |
| |
| 02 Oct 21 | r32        | Seoul E-LandSeoul E-Land | 1 - 1 | Gyeongnam FCGyeongnam FC |
| |
| 09 Oct 21 | r33        | Jeonnam DragonsJeonnam Drago | 1 - 0 | Seoul E-LandSeoul E-Land |
| |
| 17 Oct 21 | r34        | AnyangAnyang | 2 - 1 | Seoul E-LandSeoul E-Land |
| |
| 23 Oct 21 | r35        | Ansan GreenersAnsan Greener | 0 - 3 | Seoul E-LandSeoul E-Land |
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| 31 Oct 21 | r36        | Chungnam AsanChungnam Asan | 2 - 1 | Seoul E-LandSeoul E-Land |