| 27 Feb 21 | r01   | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | FC SeoulFC Seoul |
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| 06 Mar 21 | r02 | Jeju United FCJeju United F | 1 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 09 Mar 21 | r03 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 1 | Gangwon FCGangwon FC |
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| 13 Mar 21 | r04 | Gwangju FCGwangju FC | 0 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 16 Mar 21 | r05 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 3 - 2 | Daegu FCDaegu FC |
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| 20 Mar 21 | r06 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 1 | Suwon FCSuwon FC |
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| 03 Apr 21 | r07 | Suwon Samsung BluewingsSuwon Samsung | 1 - 3 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 06 Apr 21 | r08  | Pohang SteelersPohang Steele | 1 - 3 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 11 Apr 21 | r09 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 5 - 0 | Incheon United FCIncheon Unite |
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| 18 Apr 21 | r10 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 0 | Seongnam FCSeongnam FC |
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| 21 Apr 21 | r11 | Ulsan Hyundai FCUlsan Hyundai | 0 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 24 Apr 21 | r12 | Gangwon FCGangwon FC | 1 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 02 May 21 | r13 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 1 | Jeju United FCJeju United F |
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| 09 May 21 | r14 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 3 | Suwon Samsung BluewingsSuwon Samsung |
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| 19 May 21 | r17 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 4 | Ulsan Hyundai FCUlsan Hyundai |
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| 23 May 21 | r18 | Daegu FCDaegu FC | 1 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 29 May 21 | r19 | Incheon United FCIncheon Unite | 1 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 06 Jun 21 | r15 | Seongnam FCSeongnam FC | 1 - 5 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 04 Aug 21 | r22 | Suwon FCSuwon FC | 1 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 07 Aug 21 | r23 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 1 | Daegu FCDaegu FC |
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| 11 Aug 21 | r21 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 3 - 0 | Gwangju FCGwangju FC |
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| 15 Aug 21 | r25 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 3 - 2 | FC SeoulFC Seoul |
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| 21 Aug 21 | r26 | Seongnam FCSeongnam FC | 0 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 25 Aug 21 | r27 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Pohang SteelersPohang Steele |
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| 28 Aug 21 | r28 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 2 | Suwon FCSuwon FC |
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| 01 Sep 21 | r20 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 0 - 1 | Pohang SteelersPohang Steele |
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| 05 Sep 21 | r16 | FC SeoulFC Seoul | 3 - 4 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 10 Sep 21 | r29 | Ulsan Hyundai FCUlsan Hyundai | 0 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 18 Sep 21 | r30 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 0 | Suwon Samsung BluewingsSuwon Samsung |
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| 21 Sep 21 | r31 | Gwangju FCGwangju FC | 1 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 25 Sep 21 | r32 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Incheon United FCIncheon Unite |
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| 02 Oct 21 | r33 | Gangwon FCGangwon FC | 0 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 24 Oct 21 | r24 | Jeju United FCJeju United F | 2 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 30 Oct 21 | r01 | Suwon Samsung BluewingsSuwon Samsung | 0 - 4 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 06 Nov 21 | r02 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 3 - 2 | Ulsan Hyundai FCUlsan Hyundai |
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| 21 Nov 21 | r03 | Suwon FCSuwon FC | 3 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 28 Nov 21 | r04 | Daegu FCDaegu FC | 0 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
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| 05 Dec 21 | r05 | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Jeju United FCJeju United F |
Team 2021 Schedules
Bucheon FC 1995
Daejeon Hana Citizen
FC Anyang
FC Seoul
Gangwon FC
Gimcheon Sangmu
Gwangju FC
Incheon United
Jeju SK
Jeonbuk Hyundai Motors
Pohang Steelers
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