FT
Pohang Steelers
1
–
1
Suwon Bluewings
—
FT
Pohang Steelers
5
–
1
FC Seoul
—
FT
Jeju United FC
2
–
2
Pohang Steelers
Sub
FT
Pohang Steelers
2
–
1
Jeju United FC
Sub
FT
Pohang Steelers
3
–
1
Ulsan Hyundai FC
Started
Faded rows: team matches without Lee Tae-Seok in the lineup