| 25 Feb 23 | r01        | Ulsan Hyundai FCUlsan Hyundai | 2 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 25 Feb 23 | r01        | FC SeoulFC Seoul | 2 - 1 | Incheon United FCIncheon Unite |
| 25 Feb 23 | r01        | Suwon Samsung BluewingsSuwon Samsung | 0 - 1 | Gwangju FCGwangju FC |
| 26 Feb 23 | r01        | Pohang SteelersPohang Steele | 3 - 2 | Daegu FCDaegu FC |
| 26 Feb 23 | r01        | Jeju United FCJeju United F | 0 - 0 | Suwon FCSuwon FC |
| 26 Feb 23 | r01        | Daejeon Hana CitizenDaejeon Hana | 2 - 0 | Gangwon FCGangwon FC |
| |
| 04 Mar 23 | r02        | Incheon United FCIncheon Unite | 3 - 3 | Daejeon Hana CitizenDaejeon Hana |
| 04 Mar 23 | r02        | Suwon FCSuwon FC | 1 - 2 | Pohang SteelersPohang Steele |
| 04 Mar 23 | r02        | Daegu FCDaegu FC | 1 - 1 | Jeju United FCJeju United F |
| 05 Mar 23 | r02        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 05 Mar 23 | r02        | Gangwon FCGangwon FC | 0 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 05 Mar 23 | r02        | Gwangju FCGwangju FC | 0 - 2 | FC SeoulFC Seoul |
| |
| 11 Mar 23 | r03        | Suwon FCSuwon FC | 2 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 11 Mar 23 | r03        | Daejeon Hana CitizenDaejeon Hana | 0 - 0 | Pohang SteelersPohang Steele |
| 11 Mar 23 | r03        | Gangwon FCGangwon FC | 1 - 1 | Daegu FCDaegu FC |
| 12 Mar 23 | r03        | FC SeoulFC Seoul | 1 - 2 | Ulsan Hyundai FCUlsan Hyundai |
| 12 Mar 23 | r03        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Gwangju FCGwangju FC |
| 12 Mar 23 | r03        | Incheon United FCIncheon Unite | 1 - 0 | Jeju United FCJeju United F |
| |
| 18 Mar 23 | r04        | Pohang SteelersPohang Steele | 1 - 1 | Gangwon FCGangwon FC |
| 18 Mar 23 | r04        | Gwangju FCGwangju FC | 5 - 0 | Incheon United FCIncheon Unite |
| 18 Mar 23 | r04        | Jeju United FCJeju United F | 1 - 2 | FC SeoulFC Seoul |
| 19 Mar 23 | r04        | Daegu FCDaegu FC | 2 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 19 Mar 23 | r04        | Suwon Samsung BluewingsSuwon Samsung | 1 - 3 | Daejeon Hana CitizenDaejeon Hana |
| 19 Mar 23 | r04        | Ulsan Hyundai FCUlsan Hyundai | 3 - 0 | Suwon FCSuwon FC |
| |
| 01 Apr 23 | r05        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 2 | Pohang SteelersPohang Steele |
| 01 Apr 23 | r05        | Incheon United FCIncheon Unite | 0 - 0 | Daegu FCDaegu FC |
| 01 Apr 23 | r05        | Gwangju FCGwangju FC | 2 - 0 | Suwon FCSuwon FC |
| 01 Apr 23 | r05        | Daejeon Hana CitizenDaejeon Hana | 3 - 2 | FC SeoulFC Seoul |
| 02 Apr 23 | r05        | Jeju United FCJeju United F | 1 - 3 | Ulsan Hyundai FCUlsan Hyundai |
| 02 Apr 23 | r05        | Suwon Samsung BluewingsSuwon Samsung | 1 - 1 | Gangwon FCGangwon FC |
| |
| 08 Apr 23 | r06        | Ulsan Hyundai FCUlsan Hyundai | 2 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 08 Apr 23 | r06        | FC SeoulFC Seoul | 3 - 0 | Daegu FCDaegu FC |
| 08 Apr 23 | r06        | Pohang SteelersPohang Steele | 2 - 0 | Gwangju FCGwangju FC |
| 09 Apr 23 | r06        | Suwon FCSuwon FC | 5 - 3 | Daejeon Hana CitizenDaejeon Hana |
| 09 Apr 23 | r06        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Incheon United FCIncheon Unite |
| 09 Apr 23 | r06        | Gangwon FCGangwon FC | 0 - 1 | Jeju United FCJeju United F |
| |
| 15 Apr 23 | r07        | Suwon Samsung BluewingsSuwon Samsung | 2 - 3 | Jeju United FCJeju United F |
| 15 Apr 23 | r07        | Pohang SteelersPohang Steele | 1 - 1 | FC SeoulFC Seoul |
| 15 Apr 23 | r07        | Suwon FCSuwon FC | 1 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 16 Apr 23 | r07        | Gangwon FCGangwon FC | 0 - 2 | Incheon United FCIncheon Unite |
| 16 Apr 23 | r07        | Daejeon Hana CitizenDaejeon Hana | 2 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 16 Apr 23 | r07        | Daegu FCDaegu FC | 3 - 4 | Gwangju FCGwangju FC |
| |
| 22 Apr 23 | r08        | FC SeoulFC Seoul | 3 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 22 Apr 23 | r08        | Daegu FCDaegu FC | 1 - 0 | Daejeon Hana CitizenDaejeon Hana |
| 22 Apr 23 | r08        | Ulsan Hyundai FCUlsan Hyundai | 2 - 2 | Pohang SteelersPohang Steele |
| 22 Apr 23 | r08        | Incheon United FCIncheon Unite | 2 - 2 | Suwon FCSuwon FC |
| 23 Apr 23 | r08        | Gwangju FCGwangju FC | 0 - 0 | Gangwon FCGangwon FC |
| 23 Apr 23 | r08        | Jeju United FCJeju United F | 0 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| |
| 25 Apr 23 | r09        | Pohang SteelersPohang Steele | 1 - 0 | Suwon Samsung BluewingsSuwon Samsung |
| 25 Apr 23 | r09        | Incheon United FCIncheon Unite | 0 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 26 Apr 23 | r09        | Gwangju FCGwangju FC | 0 - 1 | Jeju United FCJeju United F |
| 26 Apr 23 | r09        | Gangwon FCGangwon FC | 3 - 2 | FC SeoulFC Seoul |
| 26 Apr 23 | r09        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 2 | Daejeon Hana CitizenDaejeon Hana |
| 26 Apr 23 | r09        | Suwon FCSuwon FC | 1 - 1 | Daegu FCDaegu FC |
| |
| 29 Apr 23 | r10        | Suwon FCSuwon FC | 0 - 3 | FC SeoulFC Seoul |
| 29 Apr 23 | r10        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 0 - 1 | Gangwon FCGangwon FC |
| 30 Apr 23 | r10        | Daejeon Hana CitizenDaejeon Hana | 0 - 3 | Jeju United FCJeju United F |
| 30 Apr 23 | r10        | Pohang SteelersPohang Steele | 0 - 2 | Incheon United FCIncheon Unite |
| 30 Apr 23 | r10        | Suwon Samsung BluewingsSuwon Samsung | 0 - 1 | Daegu FCDaegu FC |
| 30 Apr 23 | r10        | Ulsan Hyundai FCUlsan Hyundai | 2 - 1 | Gwangju FCGwangju FC |
| |
| 05 May 23 | r11        | FC SeoulFC Seoul | 1 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 05 May 23 | r11        | Daegu FCDaegu FC | 0 - 3 | Ulsan Hyundai FCUlsan Hyundai |
| 05 May 23 | r11        | Incheon United FCIncheon Unite | 0 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 06 May 23 | r11        | Jeju United FCJeju United F | 2 - 1 | Pohang SteelersPohang Steele |
| 06 May 23 | r11        | Suwon FCSuwon FC | 2 - 0 | Gangwon FCGangwon FC |
| 06 May 23 | r11        | Gwangju FCGwangju FC | 0 - 0 | Daejeon Hana CitizenDaejeon Hana |
| |
| 09 May 23 | r12        | Ulsan Hyundai FCUlsan Hyundai | 1 - 0 | Gangwon FCGangwon FC |
| 09 May 23 | r12        | Daegu FCDaegu FC | 1 - 1 | Pohang SteelersPohang Steele |
| 09 May 23 | r12        | FC SeoulFC Seoul | 3 - 1 | Gwangju FCGwangju FC |
| 10 May 23 | r12        | Jeju United FCJeju United F | 2 - 0 | Incheon United FCIncheon Unite |
| 10 May 23 | r12        | Suwon Samsung BluewingsSuwon Samsung | 0 - 3 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 10 May 23 | r12        | Daejeon Hana CitizenDaejeon Hana | 2 - 1 | Suwon FCSuwon FC |
| |
| 13 May 23 | r13        | Pohang SteelersPohang Steele | 3 - 2 | Daejeon Hana CitizenDaejeon Hana |
| 13 May 23 | r13        | Gwangju FCGwangju FC | 0 - 2 | Daegu FCDaegu FC |
| 13 May 23 | r13        | Gangwon FCGangwon FC | 0 - 2 | Suwon Samsung BluewingsSuwon Samsung |
| 14 May 23 | r13        | Ulsan Hyundai FCUlsan Hyundai | 3 - 2 | FC SeoulFC Seoul |
| 14 May 23 | r13        | Incheon United FCIncheon Unite | 0 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 14 May 23 | r13        | Suwon FCSuwon FC | 0 - 5 | Jeju United FCJeju United F |
| |
| 20 May 23 | r14        | Incheon United FCIncheon Unite | 1 - 1 | Gwangju FCGwangju FC |
| 20 May 23 | r14        | FC SeoulFC Seoul | 1 - 1 | Jeju United FCJeju United F |
| 20 May 23 | r14        | Daejeon Hana CitizenDaejeon Hana | 0 - 1 | Daegu FCDaegu FC |
| 21 May 23 | r14        | Gangwon FCGangwon FC | 0 - 0 | Pohang SteelersPohang Steele |
| 21 May 23 | r14        | Suwon Samsung BluewingsSuwon Samsung | 2 - 3 | Ulsan Hyundai FCUlsan Hyundai |
| 21 May 23 | r14        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 3 - 1 | Suwon FCSuwon FC |
| |
| 27 May 23 | r15        | Jeju United FCJeju United F | 2 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 27 May 23 | r15        | Daegu FCDaegu FC | 2 - 2 | Incheon United FCIncheon Unite |
| 28 May 23 | r15        | FC SeoulFC Seoul | 1 - 0 | Gangwon FCGangwon FC |
| 28 May 23 | r15        | Suwon FCSuwon FC | 0 - 2 | Gwangju FCGwangju FC |
| 28 May 23 | r15        | Ulsan Hyundai FCUlsan Hyundai | 3 - 3 | Daejeon Hana CitizenDaejeon Hana |
| 29 May 23 | r15        | Pohang SteelersPohang Steele | 1 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| |
| 03 Jun 23 | r16        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Ulsan Hyundai FCUlsan Hyundai |
| 03 Jun 23 | r16        | Suwon Samsung BluewingsSuwon Samsung | 1 - 2 | Suwon FCSuwon FC |
| 03 Jun 23 | r16        | Jeju United FCJeju United F | 2 - 2 | Gangwon FCGangwon FC |
| 03 Jun 23 | r16        | Gwangju FCGwangju FC | 4 - 2 | Pohang SteelersPohang Steele |
| 04 Jun 23 | r16        | Daejeon Hana CitizenDaejeon Hana | 1 - 3 | Incheon United FCIncheon Unite |
| 04 Jun 23 | r16        | Daegu FCDaegu FC | 1 - 0 | FC SeoulFC Seoul |
| |
| 06 Jun 23 | r17        | Suwon FCSuwon FC | 1 - 3 | Ulsan Hyundai FCUlsan Hyundai |
| 06 Jun 23 | r17        | Pohang SteelersPohang Steele | 2 - 1 | Jeju United FCJeju United F |
| 07 Jun 23 | r17        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 0 | Daegu FCDaegu FC |
| 07 Jun 23 | r17        | Gwangju FCGwangju FC | 2 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 07 Jun 23 | r17        | Incheon United FCIncheon Unite | 1 - 1 | FC SeoulFC Seoul |
| 07 Jun 23 | r17        | Gangwon FCGangwon FC | 1 - 2 | Daejeon Hana CitizenDaejeon Hana |
| |
| 10 Jun 23 | r18        | Daegu FCDaegu FC | 3 - 1 | Suwon FCSuwon FC |
| 10 Jun 23 | r18        | Ulsan Hyundai FCUlsan Hyundai | 5 - 1 | Jeju United FCJeju United F |
| 10 Jun 23 | r18        | Daejeon Hana CitizenDaejeon Hana | 1 - 1 | Gwangju FCGwangju FC |
| 11 Jun 23 | r18        | Gangwon FCGangwon FC | 1 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 11 Jun 23 | r18        | FC SeoulFC Seoul | 1 - 1 | Pohang SteelersPohang Steele |
| 11 Jun 23 | r18        | Suwon Samsung BluewingsSuwon Samsung | 0 - 0 | Incheon United FCIncheon Unite |
| |
| 24 Jun 23 | r19        | Suwon Samsung BluewingsSuwon Samsung | 0 - 1 | FC SeoulFC Seoul |
| 24 Jun 23 | r19        | Jeju United FCJeju United F | 1 - 1 | Daejeon Hana CitizenDaejeon Hana |
| 24 Jun 23 | r19        | Gwangju FCGwangju FC | 2 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 24 Jun 23 | r19        | Ulsan Hyundai FCUlsan Hyundai | 3 - 1 | Daegu FCDaegu FC |
| 25 Jun 23 | r19        | Incheon United FCIncheon Unite | 0 - 1 | Pohang SteelersPohang Steele |
| 25 Jun 23 | r19        | Suwon FCSuwon FC | 1 - 1 | Gangwon FCGangwon FC |
| |
| 01 Jul 23 | r20        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Jeju United FCJeju United F |
| 01 Jul 23 | r20        | Daegu FCDaegu FC | 1 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 01 Jul 23 | r20        | FC SeoulFC Seoul | 0 - 0 | Daejeon Hana CitizenDaejeon Hana |
| 02 Jul 23 | r20        | Gwangju FCGwangju FC | 0 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 02 Jul 23 | r20        | Pohang SteelersPohang Steele | 3 - 1 | Suwon FCSuwon FC |
| 02 Jul 23 | r20        | Incheon United FCIncheon Unite | 1 - 0 | Gangwon FCGangwon FC |
| |
| 07 Jul 23 | r21        | Jeju United FCJeju United F | 1 - 2 | Daegu FCDaegu FC |
| 07 Jul 23 | r21        | Gangwon FCGangwon FC | 1 - 1 | Gwangju FCGwangju FC |
| 08 Jul 23 | r21        | Pohang SteelersPohang Steele | 0 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 08 Jul 23 | r21        | Suwon FCSuwon FC | 2 - 2 | Incheon United FCIncheon Unite |
| 08 Jul 23 | r21        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 1 | FC SeoulFC Seoul |
| 09 Jul 23 | r21        | Daejeon Hana CitizenDaejeon Hana | 2 - 2 | Suwon Samsung BluewingsSuwon Samsung |
| |
| 11 Jul 23 | r22        | Daegu FCDaegu FC | 0 - 0 | Gangwon FCGangwon FC |
| 11 Jul 23 | r22        | Jeju United FCJeju United F | 0 - 0 | Gwangju FCGwangju FC |
| 12 Jul 23 | r22        | Ulsan Hyundai FCUlsan Hyundai | 1 - 2 | Incheon United FCIncheon Unite |
| 12 Jul 23 | r22        | Suwon Samsung BluewingsSuwon Samsung | 1 - 1 | Pohang SteelersPohang Steele |
| 12 Jul 23 | r22        | FC SeoulFC Seoul | 7 - 2 | Suwon FCSuwon FC |
| 12 Jul 23 | r22        | Daejeon Hana CitizenDaejeon Hana | 2 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| |
| 15 Jul 23 | r23        | Suwon Samsung BluewingsSuwon Samsung | 3 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 15 Jul 23 | r23        | Gangwon FCGangwon FC | 1 - 1 | FC SeoulFC Seoul |
| 15 Jul 23 | r23        | Gwangju FCGwangju FC | 1 - 1 | Daegu FCDaegu FC |
| 16 Jul 23 | r23        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 0 | Suwon FCSuwon FC |
| 16 Jul 23 | r23        | Pohang SteelersPohang Steele | 4 - 2 | Jeju United FCJeju United F |
| 16 Jul 23 | r23        | Incheon United FCIncheon Unite | 2 - 0 | Daejeon Hana CitizenDaejeon Hana |
| |
| 21 Jul 23 | r24        | Ulsan Hyundai FCUlsan Hyundai | 2 - 1 | Jeju United FCJeju United F |
| 21 Jul 23 | r24        | Pohang SteelersPohang Steele | 2 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 22 Jul 23 | r24        | Suwon FCSuwon FC | 0 - 1 | Gwangju FCGwangju FC |
| 22 Jul 23 | r24        | Gangwon FCGangwon FC | 1 - 2 | Suwon Samsung BluewingsSuwon Samsung |
| 22 Jul 23 | r24        | FC SeoulFC Seoul | 0 - 1 | Incheon United FCIncheon Unite |
| 22 Jul 23 | r24        | Daejeon Hana CitizenDaejeon Hana | 1 - 0 | Daegu FCDaegu FC |
| |
| 04 Aug 23 | r25        | Gwangju FCGwangju FC | 3 - 0 | Daejeon Hana CitizenDaejeon Hana |
| 04 Aug 23 | r25        | FC SeoulFC Seoul | 2 - 2 | Pohang SteelersPohang Steele |
| 05 Aug 23 | r25        | Suwon Samsung BluewingsSuwon Samsung | 0 - 2 | Suwon FCSuwon FC |
| 05 Aug 23 | r25        | Daegu FCDaegu FC | 0 - 0 | Ulsan Hyundai FCUlsan Hyundai |
| 06 Aug 23 | r25        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Incheon United FCIncheon Unite |
| 06 Aug 23 | r25        | Jeju United FCJeju United F | 1 - 1 | Gangwon FCGangwon FC |
| |
| 12 Aug 23 | r26        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 12 Aug 23 | r26        | Gangwon FCGangwon FC | 2 - 0 | Ulsan Hyundai FCUlsan Hyundai |
| 12 Aug 23 | r26        | Jeju United FCJeju United F | 3 - 0 | Suwon FCSuwon FC |
| 13 Aug 23 | r26        | Daejeon Hana CitizenDaejeon Hana | 4 - 3 | FC SeoulFC Seoul |
| 13 Aug 23 | r26        | Incheon United FCIncheon Unite | 3 - 1 | Daegu FCDaegu FC |
| 13 Aug 23 | r26        | Pohang SteelersPohang Steele | 1 - 1 | Gwangju FCGwangju FC |
| |
| 18 Aug 23 | r27        | Suwon Samsung BluewingsSuwon Samsung | 1 - 0 | Jeju United FCJeju United F |
| 18 Aug 23 | r27        | Incheon United FCIncheon Unite | 2 - 2 | Gwangju FCGwangju FC |
| 19 Aug 23 | r27        | Ulsan Hyundai FCUlsan Hyundai | 1 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 19 Aug 23 | r27        | Gangwon FCGangwon FC | 1 - 2 | Suwon FCSuwon FC |
| 19 Aug 23 | r27        | FC SeoulFC Seoul | 2 - 2 | Daegu FCDaegu FC |
| 20 Aug 23 | r27        | Pohang SteelersPohang Steele | 4 - 3 | Daejeon Hana CitizenDaejeon Hana |
| |
| 25 Aug 23 | r28        | Suwon FCSuwon FC | 1 - 2 | Incheon United FCIncheon Unite |
| 25 Aug 23 | r28        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 1 | Daejeon Hana CitizenDaejeon Hana |
| 26 Aug 23 | r28        | Daegu FCDaegu FC | 1 - 0 | Jeju United FCJeju United F |
| 26 Aug 23 | r28        | Gangwon FCGangwon FC | 1 - 1 | Pohang SteelersPohang Steele |
| 27 Aug 23 | r28        | FC SeoulFC Seoul | 2 - 2 | Ulsan Hyundai FCUlsan Hyundai |
| 27 Aug 23 | r28        | Gwangju FCGwangju FC | 4 - 0 | Suwon Samsung BluewingsSuwon Samsung |
| |
| 01 Sep 23 | r29        | Daejeon Hana CitizenDaejeon Hana | 0 - 1 | Suwon FCSuwon FC |
| 01 Sep 23 | r29        | Daegu FCDaegu FC | 1 - 0 | Gangwon FCGangwon FC |
| 02 Sep 23 | r29        | Suwon Samsung BluewingsSuwon Samsung | 0 - 1 | FC SeoulFC Seoul |
| 02 Sep 23 | r29        | Incheon United FCIncheon Unite | 0 - 2 | Pohang SteelersPohang Steele |
| 03 Sep 23 | r29        | Ulsan Hyundai FCUlsan Hyundai | 0 - 2 | Gwangju FCGwangju FC |
| 03 Sep 23 | r29        | Jeju United FCJeju United F | 0 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| |
| 16 Sep 23 | r30        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 3 | Gangwon FCGangwon FC |
| 16 Sep 23 | r30        | Incheon United FCIncheon Unite | 2 - 1 | Jeju United FCJeju United F |
| 16 Sep 23 | r30        | Pohang SteelersPohang Steele | 2 - 0 | Suwon FCSuwon FC |
| 16 Sep 23 | r30        | Ulsan Hyundai FCUlsan Hyundai | 1 - 1 | Daejeon Hana CitizenDaejeon Hana |
| 17 Sep 23 | r30        | FC SeoulFC Seoul | 0 - 1 | Gwangju FCGwangju FC |
| 17 Sep 23 | r30        | Suwon Samsung BluewingsSuwon Samsung | 0 - 1 | Daegu FCDaegu FC |
| |
| 23 Sep 23 | r31        | Daejeon Hana CitizenDaejeon Hana | 3 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 23 Sep 23 | r31        | Jeju United FCJeju United F | 1 - 3 | FC SeoulFC Seoul |
| 24 Sep 23 | r31        | Suwon FCSuwon FC | 2 - 3 | Ulsan Hyundai FCUlsan Hyundai |
| 24 Sep 23 | r31        | Gwangju FCGwangju FC | 0 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 24 Sep 23 | r31        | Gangwon FCGangwon FC | 1 - 1 | Incheon United FCIncheon Unite |
| 24 Sep 23 | r31        | Daegu FCDaegu FC | 0 - 0 | Pohang SteelersPohang Steele |
| |
| 30 Sep 23 | r32        | Pohang SteelersPohang Steele | 0 - 0 | Ulsan Hyundai FCUlsan Hyundai |
| 30 Sep 23 | r32        | Suwon FCSuwon FC | 1 - 1 | FC SeoulFC Seoul |
| 30 Sep 23 | r32        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 3 | Daegu FCDaegu FC |
| 30 Sep 23 | r32        | Incheon United FCIncheon Unite | 2 - 0 | Suwon Samsung BluewingsSuwon Samsung |
| 01 Oct 23 | r32        | Gangwon FCGangwon FC | 1 - 1 | Daejeon Hana CitizenDaejeon Hana |
| 01 Oct 23 | r32        | Jeju United FCJeju United F | 1 - 2 | Gwangju FCGwangju FC |
| |
| 08 Oct 23 | r33        | Ulsan Hyundai FCUlsan Hyundai | 0 - 0 | Incheon United FCIncheon Unite |
| 08 Oct 23 | r33        | Daegu FCDaegu FC | 2 - 2 | Suwon FCSuwon FC |
| 08 Oct 23 | r33        | FC SeoulFC Seoul | 0 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 08 Oct 23 | r33        | Suwon Samsung BluewingsSuwon Samsung | 1 - 0 | Pohang SteelersPohang Steele |
| 08 Oct 23 | r33        | Gwangju FCGwangju FC | 1 - 0 | Gangwon FCGangwon FC |
| 08 Oct 23 | r33        | Daejeon Hana CitizenDaejeon Hana | 1 - 0 | Jeju United FCJeju United F |
| |
| 20 Oct 23 | r01        | Pohang SteelersPohang Steele | 1 - 1 | Incheon United FCIncheon Unite |
| 21 Oct 23 | r01        | Gwangju FCGwangju FC | 1 - 0 | Ulsan Hyundai FCUlsan Hyundai |
| 21 Oct 23 | r01        | Daegu FCDaegu FC | 1 - 2 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 22 Oct 23 | r01        | FC SeoulFC Seoul | 2 - 1 | Gangwon FCGangwon FC |
| 22 Oct 23 | r01        | Jeju United FCJeju United F | 2 - 0 | Suwon Samsung BluewingsSuwon Samsung |
| 22 Oct 23 | r01        | Daejeon Hana CitizenDaejeon Hana | 1 - 1 | Suwon FCSuwon FC |
| |
| 28 Oct 23 | r02        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 1 - 1 | Pohang SteelersPohang Steele |
| 28 Oct 23 | r02        | Gangwon FCGangwon FC | 1 - 1 | Jeju United FCJeju United F |
| 28 Oct 23 | r02        | Gwangju FCGwangju FC | 0 - 2 | Incheon United FCIncheon Unite |
| 29 Oct 23 | r02        | Suwon Samsung BluewingsSuwon Samsung | 2 - 2 | Daejeon Hana CitizenDaejeon Hana |
| 29 Oct 23 | r02        | Ulsan Hyundai FCUlsan Hyundai | 2 - 0 | Daegu FCDaegu FC |
| 29 Oct 23 | r02        | Suwon FCSuwon FC | 3 - 4 | FC SeoulFC Seoul |
| |
| 11 Nov 23 | r03        | Daejeon Hana CitizenDaejeon Hana | 0 - 1 | Gangwon FCGangwon FC |
| 11 Nov 23 | r03        | Jeju United FCJeju United F | 0 - 0 | FC SeoulFC Seoul |
| 11 Nov 23 | r03        | Daegu FCDaegu FC | 1 - 1 | Gwangju FCGwangju FC |
| 12 Nov 23 | r03        | Suwon FCSuwon FC | 2 - 3 | Suwon Samsung BluewingsSuwon Samsung |
| 12 Nov 23 | r03        | Incheon United FCIncheon Unite | 1 - 1 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 12 Nov 23 | r03        | Ulsan Hyundai FCUlsan Hyundai | 3 - 2 | Pohang SteelersPohang Steele |
| |
| 24 Nov 23 | r04        | Incheon United FCIncheon Unite | 3 - 1 | Ulsan Hyundai FCUlsan Hyundai |
| 25 Nov 23 | r04        | Jeju United FCJeju United F | 0 - 2 | Daejeon Hana CitizenDaejeon Hana |
| 25 Nov 23 | r04        | Jeonbuk Hyundai MotorsJeonbuk Hyund | 2 - 0 | Gwangju FCGwangju FC |
| 25 Nov 23 | r04        | FC SeoulFC Seoul | 0 - 1 | Suwon Samsung BluewingsSuwon Samsung |
| 25 Nov 23 | r04        | Gangwon FCGangwon FC | 2 - 0 | Suwon FCSuwon FC |
| 25 Nov 23 | r04        | Pohang SteelersPohang Steele | 1 - 0 | Daegu FCDaegu FC |
| |
| 02 Dec 23 | r05        | Daejeon Hana CitizenDaejeon Hana | 2 - 2 | FC SeoulFC Seoul |
| 02 Dec 23 | r05        | Suwon FCSuwon FC | 1 - 1 | Jeju United FCJeju United F |
| 02 Dec 23 | r05        | Suwon Samsung BluewingsSuwon Samsung | 0 - 0 | Gangwon FCGangwon FC |
| 03 Dec 23 | r05        | Ulsan Hyundai FCUlsan Hyundai | 1 - 0 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 03 Dec 23 | r05        | Gwangju FCGwangju FC | 0 - 0 | Pohang SteelersPohang Steele |
| 03 Dec 23 | r05        | Daegu FCDaegu FC | 2 - 1 | Incheon United FCIncheon Unite |
| |
| 06 Dec 23 | r00        | Busan IParkBusan IPark | 2 - 1 | Suwon FCSuwon FC |
| 06 Dec 23 | r00        | Gimpo CitizenGimpo Citizen | 0 - 0 | Gangwon FCGangwon FC |
| 09 Dec 23 | r00        | Suwon FCSuwon FC | 5 - 2 | Busan IParkBusan IPark |
| 09 Dec 23 | r00        | Gangwon FCGangwon FC | 2 - 1 | Gimpo CitizenGimpo Citizen |