13th matchday
- 19 May
- Suwon FC1
- Pohang Steelers FC0
- 19 May
- Gwangju FC0
- Jeonbuk Hyundai Motors FC3
- 19 May
- FC Seoul1
- Daegu FC2
- 19 May
- Gangwon FC1
- Ulsan Hyundai FC0
- 18 May
- Gimcheon Sangmu FC1
- Jeju United FC0
- 18 May
- Daejeon Citizen FC0
- Incheon United FC1