K-National League | |||
| 2012-06-23 07:00:00 | Yongin City FC | 2 - 0 | Mokpo City |
| 2012-06-23 08:00:00 | Daejeon Hydro Nuclear Power | 1 - 2 | Cheonan City |
| 2012-06-23 08:00:00 | Suwon City | 3 - 1 | Ulsan Mipo |
| 2012-06-23 10:00:00 | Goyang Kookmin Bank | 1 - 0 | Chungju Hummel |
| 2012-06-23 10:00:00 | Ansan Hallelujah | 1 - 0 | Incheon Korail |
| 2012-06-23 10:00:00 | Busan Transportation Corporation | 2 - 0 | Gimhae City |
Korea 3 League | |||
| 2012-06-23 06:00:00 | Cheongju Jikji | 1 - 0 | Pocheon FC |
| 2012-06-23 06:00:00 | Goyang FC | 6 - 1 | Namyangju Citizen |
| 2012-06-23 06:00:00 | Yesan United FC | 7 - 1 | Gwangju FC Gwangsan |
| 2012-06-23 08:00:00 | Gyeongju Citizen | 2 - 3 | Chuncheon Citizen |
| 2012-06-23 08:00:00 | Cheonan FC | 1 - 3 | Chunnam Youngkwang |
| 2012-06-23 08:00:00 | Seoul United | 8 - 2 | Jungnang Chorus Mustang FC |
| 2012-06-23 10:00:00 | Bucheon FC 1995 | 0 - 0 | Icheon Citizen |
| 2012-06-23 10:00:00 | Yangju Citizen | 5 - 3 | Jeonju EM |
| 2012-06-23 10:00:00 | Paju Citizen FC | 11 - 0 | Seoul Martyrs FC |
Korea League | |||
| 2012-06-23 08:00:00 | Chunnam Dragons | - | Gwangju Football Club |
| 2012-06-23 08:00:00 | Gwangju Football Club | 6 - 0 | Chunnam Dragons |
| 2012-06-23 10:00:00 | Seongnam Ilhwa Chunma | 0 - 3 | Daejeon Citizen |
| 2012-06-23 10:00:00 | Gangwon FC | 1 - 4 | Suwon Samsung Bluewings |
| 2012-06-23 10:00:00 | Jeju United | 0 - 1 | Pohang Steelers |
| 2012-06-23 10:00:00 | Incheon United | 1 - 0 | Sangju Sangmu Phoenix |