| 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 | 39 | 40 | 41 | 42 | 43 | 44 |
| Season archive |
| Games | Goals | H | D | A | ||||
| 280 | 708 | 2.52 | 117 | 41.79% | 71 | 25.36% | 92 | 32.86% |
| 2012 | 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 | FC Seoul | 35 | 23 | 7 | 5 | 62 | 32 | +30 | 76 | WLWW | 17 | 14 | 2 | 1 | 36 | 14 | 18 | 9 | 5 | 4 | 26 | 18 | ||
| 2 | Chonbuk Motors | 35 | 20 | 9 | 6 | 68 | 37 | +31 | 69 | LXWW | 18 | 10 | 4 | 4 | 36 | 24 | 17 | 10 | 5 | 2 | 32 | 13 | ||
| 3 | 1 | Suwon Bluewings | 35 | 18 | 8 | 9 | 54 | 42 | +12 | 62 | WWLW | 18 | 13 | 2 | 3 | 33 | 19 | 17 | 5 | 6 | 6 | 21 | 23 | |
| 4 | 1 | Pohang Steelers | 35 | 18 | 5 | 12 | 51 | 38 | +13 | 59 | WWLL | 16 | 9 | 2 | 5 | 26 | 15 | 19 | 9 | 3 | 7 | 25 | 23 | |
| 5 | 2 | Ulsan Hyundai | 35 | 16 | 10 | 9 | 49 | 39 | +10 | 58 | LOLX | 18 | 8 | 7 | 3 | 30 | 21 | 17 | 8 | 3 | 6 | 19 | 18 | |
| 6 | 1 | Jeju United | 35 | 12 | 12 | 11 | 59 | 47 | +12 | 48 | OOWL | 17 | 10 | 2 | 5 | 38 | 22 | 18 | 2 | 10 | 6 | 21 | 25 | |
| 7 | 1 | Busan I'Park | 35 | 12 | 12 | 11 | 33 | 38 | -5 | 48 | LXLX | 18 | 6 | 8 | 4 | 14 | 11 | 17 | 6 | 4 | 7 | 19 | 27 | |
| 8 | Gyeongnam | 35 | 13 | 5 | 17 | 43 | 42 | +1 | 44 | LOWL | 18 | 8 | 3 | 7 | 23 | 17 | 17 | 5 | 2 | 10 | 20 | 25 | ||
| 9 | Incheon United | 35 | 13 | 12 | 10 | 34 | 32 | +2 | 51 | OWWX | 18 | 8 | 8 | 2 | 19 | 13 | 17 | 5 | 4 | 8 | 15 | 19 | ||
| 10 | Daegu FC | 35 | 12 | 11 | 12 | 41 | 46 | -5 | 47 | XLWX | 17 | 10 | 4 | 3 | 22 | 15 | 18 | 2 | 7 | 9 | 19 | 31 | ||
| 11 | Seongnam Ilhwa | 35 | 12 | 8 | 15 | 35 | 40 | -5 | 44 | OWLW | 17 | 4 | 6 | 7 | 17 | 20 | 18 | 8 | 2 | 8 | 18 | 20 | ||
| 12 | Daejon Citizen | 35 | 10 | 9 | 16 | 36 | 52 | -16 | 39 | WXWX | 18 | 4 | 5 | 9 | 16 | 26 | 17 | 6 | 4 | 7 | 20 | 26 | ||
| 13 | Chunnam Dragons | 35 | 8 | 11 | 16 | 34 | 54 | -20 | 35 | XOLW | 18 | 3 | 8 | 7 | 20 | 26 | 17 | 5 | 3 | 9 | 14 | 28 | ||
| 14 | Gwangju FC | 35 | 7 | 12 | 16 | 43 | 53 | -10 | 33 | WXLX | 17 | 3 | 7 | 7 | 21 | 23 | 18 | 4 | 5 | 9 | 22 | 30 | ||
| 15 | 1 | Gangwon | 35 | 8 | 5 | 22 | 37 | 60 | -23 | 29 | LOWL | 17 | 3 | 2 | 12 | 15 | 30 | 18 | 5 | 3 | 10 | 22 | 30 | |
| 16 | 1 | Sangju Sangmu | 35 | 7 | 6 | 22 | 29 | 56 | -27 | 27 | LLLL | 18 | 4 | 1 | 13 | 14 | 32 | 17 | 3 | 5 | 9 | 15 | 24 | |
| 25 | Dejan DAMJANOVIĆ (FC Seoul, 2p) | |
| 18 | LEE Dong-gook (Chonbuk Motors, 7p) | |
| 17 | Mauricio MOLINA (FC Seoul) | |
| 15 | +3 | Kevin ORIS (Daejon Citizen, 1p) |
| 14 | ENINHO (Chonbuk Motors, 5p) | |
| JAIR Eduardo (Jeju United, 2p) | ||
| 13 | Nathanael SANTOS JUNIOR (Jeju United, 1p) | |
| KIM Eun-jung (Gangwon, 8p) | ||
| 12 | CAIQUE Silva (Gyeongnam, 3p) | |
| 11 | SEO Dong-hyun (Jeju United, 1p) | |
| +3 | Ianis ZICU (Gangwon) | |
| Dženan RADONČIĆ (Suwon Bluewings, 3p) | ||
| ÉVERTON Leandro (Seongnam Ilhwa, 1p) | ||
| KIM Shin-wook (Ulsan Hyundai) | ||
| 10 | SONG Jae-heon (Daegu FC, 2p) | |
| +1 | MARANHÃO (Ulsan Hyundai) | |
| 8 | LEE Keun-ho (Ulsan Hyundai, 1p) | |
| SONG Jin-hung (Jeju United) | ||
| KIM Do-yub (Gyeongnam) | ||
| Hugo DROGUETT (Chonbuk Motors) | ||
| Stevica RISTIC (Suwon Bluewings, 1p) |
| Saturday, 6 October 2012 | |||||
| 35 | Sangju Sangmu | 0-2 | Gwangju FC | ||
| Score awarded as 0-2. | |||||
| 35 | Incheon United | 0-0 | Seongnam Ilhwa | ||
| 35 | Busan I'Park | 0-1 | Suwon Bluewings | ||
| 33(og) | Éder Baiano | ||||
| Sunday, 7 October 2012 | |||||
| 35 | Chunnam Dragons | 2-2 | Daegu FC | ||
| 33 | Ju | 83 | Choi | ||
| 80 | Ko | 90(p) | Hwang | ||
| 35 | Daejon Citizen | 5-3 | Gangwon | ||
| 8 | Alex Terra | 21 | Zicu | ||
| 34 | Oris | 47 | Zicu | ||
| 45 | Oris | 58 | Zicu | ||
| 62 | Oris | ||||
| 90 | Han | ||||
| 35 | FC Seoul | 1-0 | Gyeongnam | ||
| 30 | Park | ||||
| 35 | Chonbuk Motors | 0-3 | Pohang Steelers | ||
| 24 | Kim | ||||
| 55 | Kim | ||||
| 56 | Park | ||||
| Monday, 8 October 2012 | |||||
| 35 | Ulsan Hyundai | 0-0 | Jeju United | ||
| Sunday, 14 October 2012 | |||||
| 34 | Pohang Steelers | 3-1 | Ulsan Hyundai | ||
| 39 | Kim | 56 | Maranhão | ||
| 67 | Asamoah | ||||
| 71 | Park | ||||