K League 1| ROUND | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 |
| Season archive |
| Games | Goals | H | D | A | ||||
| 112 | 271 | 2.41 | 41 | 36.61% | 37 | 33.04% | 34 | 30.36% |
| 2021 | Overall | Home | Away | |||||||||||||||||||||
| P | W | D | L | F | A | Gdf | Pts | Form | P | W | D | L | F | A | P | W | D | L | F | A | ||||
| 1 | Ulsan Hyundai | 19 | 10 | 7 | 2 | 30 | 17 | +13 | 37 | XWWW | 9 | 5 | 4 | 0 | 17 | 6 | 10 | 5 | 3 | 2 | 13 | 11 | ||
| 2 | 1 | Chonbuk Motors | 18 | 9 | 6 | 3 | 34 | 19 | +15 | 33 | WXLL | 9 | 5 | 2 | 2 | 18 | 12 | 9 | 4 | 4 | 1 | 16 | 7 | |
| 3 | 1 | Suwon Bluewings | 19 | 9 | 6 | 4 | 29 | 18 | +11 | 33 | WWXX | 9 | 4 | 3 | 2 | 13 | 10 | 10 | 5 | 3 | 2 | 16 | 8 | |
| 4 | Daegu FC | 19 | 9 | 6 | 4 | 24 | 20 | +4 | 33 | XWWX | 10 | 5 | 4 | 1 | 12 | 8 | 9 | 4 | 2 | 3 | 12 | 12 | ||
| 5 | Pohang Steelers | 18 | 7 | 6 | 5 | 20 | 20 | +0 | 27 | WLWX | 9 | 3 | 4 | 2 | 7 | 9 | 9 | 4 | 2 | 3 | 13 | 11 | ||
| 6 | 1 | Incheon United | 19 | 6 | 5 | 8 | 20 | 29 | -9 | 23 | WXXW | 10 | 4 | 4 | 2 | 11 | 9 | 9 | 2 | 1 | 6 | 9 | 20 | |
| 7 | 1 | Jeju United | 19 | 4 | 10 | 5 | 21 | 21 | +0 | 22 | LXOL | 10 | 3 | 4 | 3 | 13 | 14 | 9 | 1 | 6 | 2 | 8 | 7 | |
| 8 | Suwon FC | 19 | 5 | 6 | 8 | 24 | 32 | -8 | 21 | WXLO | 10 | 3 | 3 | 4 | 15 | 17 | 9 | 2 | 3 | 4 | 9 | 15 | ||
| 9 | Gangwon | 19 | 4 | 8 | 7 | 17 | 22 | -5 | 20 | WLOO | 9 | 2 | 5 | 2 | 9 | 7 | 10 | 2 | 3 | 5 | 8 | 15 | ||
| 10 | Seongnam Ilhwa | 18 | 4 | 6 | 8 | 18 | 25 | -7 | 18 | LXLL | 10 | 3 | 1 | 6 | 10 | 16 | 8 | 1 | 5 | 2 | 8 | 9 | ||
| 11 | FC Seoul | 18 | 4 | 5 | 9 | 17 | 23 | -6 | 17 | LXXL | 8 | 2 | 1 | 5 | 8 | 11 | 10 | 2 | 4 | 4 | 9 | 12 | ||
| 12 | Gwangju FC | 19 | 4 | 3 | 12 | 17 | 25 | -8 | 15 | XLLO | 9 | 2 | 2 | 5 | 8 | 11 | 10 | 2 | 1 | 7 | 9 | 14 | ||
| 10 | +1 | JOO Min-kyu (Jeju United, 1p) |
| 9 | Stanislav ILJUTCENKO (Chonbuk Motors, 2p) | |
| 8 | +3 | Fejsal MULIĆ (Seongnam Ilhwa, 1p) |
| +1 | Lars VELDWIJK (Suwon FC, 1p) | |
| 7 | +1 | SONG Min-kyu (Pohang Steelers) |
| 6 | +1 | LEE Dong-jun (Ulsan Hyundai, 1p) |
| +1 | KIM Gun-Hee (Suwon Bluewings, 1p) | |
| HAN Kyo-won (Chonbuk Motors) | ||
| LIM Sang-hyeob (Pohang Steelers) | ||
| 5 | +1 | KIM Min-joon (Ulsan Hyundai) |
| CESINHA (Daegu FC) | ||
| +1 | NA Sang-ho (FC Seoul) | |
| +4 | GUSTAVO Henrique (Chonbuk Motors) | |
| KIM Jin-hyuk (Daegu FC) | ||
| 4 | Elías AGUILAR (Incheon United, 1p) | |
| +1 | Aleksandar PALOČEVIĆ (FC Seoul, 3p) | |
| KIM In-sung (Ulsan Hyundai) | ||
| EDGAR Bruno SILVA (Daegu FC, 1p) | ||
| +1 | KIM Min-woo (Suwon Bluewings, 1p) | |
| +1 | MURILO Henrique (Suwon FC) | |
| Uroš ĐERIĆ (Suwon Bluewings, 2p) | ||
| KIM Dae-won (Gangwon) | ||
| LEE Ki-je (Suwon Bluewings) | ||
| JEONG Sang-bin (Suwon Bluewings) | ||
| CHO Yu-min (Suwon FC) |
| Saturday, 29 May 2021 | |||||
| 19 | Jeju United | 1-2 | Ulsan Hyundai | ||
| 84(p) | Joo | 69 | Lee | ||
| 90(p) | Kim | ||||
| 19 | Incheon United | 1-1 | Chonbuk Motors | ||
| 43 | Koo | 90 | Kunimoto | ||
| 19 | Seongnam Ilhwa | 2-3 | Suwon FC | ||
| 51 | Mulić | 5 | Veldwijk | ||
| 90 | Mulić | 27 | Murilo | ||
| 61 | Lee | ||||
| 19 | FC Seoul | 0-3 | Suwon Bluewings | ||
| 39(p) | Kim | ||||
| 50 | Kim | ||||
| 68 | Min | ||||
| Sunday, 30 May 2021 | |||||
| 19 | Pohang Steelers | 1-0 | Gwangju FC | ||
| 89 | Song | ||||
| 19 | Daegu FC | 1-0 | Gangwon | ||
| 44(og) | Kim | ||||
| Sunday, 6 June 2021 | |||||
| 15 | Daegu FC | 1-1 | FC Seoul | ||
| 67 | Nishi | 80(p) | Paločević | ||
| 15 | Seongnam Ilhwa | 1-5 | Chonbuk Motors | ||
| 81 | Mulić | 16 | Paik | ||
| 52 | Gustavo | ||||
| 69 | Gustavo | ||||
| 72 | Gustavo | ||||
| 84 | Gustavo | ||||
| Saturday, 19 June 2021 | |||||
| 14 | Gwangju FC | 1-1 | FC Seoul | ||
| 90(p) | Kim | 39 | Na | ||
| Sunday, 20 June 2021 | |||||
| 14 | Ulsan Hyundai | 2-2 | Seongnam Ilhwa | ||
| 14 | Hinterseer | 27 | Iskandarov | ||
| 32 | Kim | 46 | Lee | ||
| Saturday, 26 June 2021 | |||||
| 17 | Seongnam Ilhwa | 1-2 | Gangwon | ||
| 70 | Park | 46 | Silađi | ||
| 67 | Cho | ||||
| Wednesday, 14 July 2021 | |||||
| 17 | FC Seoul | 0-1 | Incheon United | ||
| 26 | Mugoša | ||||
