England and the United States swept their morning fourball matches to take control of their respective pools.
The English moved ahead of the Koreans in Pool A, setting up a head-to-head showdown in the third and final round of fourballs, which was scheduled for Friday afternoon.
The United States will be looking to win Pool B in a matchup with Thailand Friday afternoon.
The top two teams from each pool advance to Sunday singles, with the third-place teams in each pool going into a sudden-death fourball playoff to determine who will be the fifth team to make singles.