Wigan coach Michael Maguire took no chances with his team selection, naming a near full-strength line-up with Gleeson, Paul Prescott and Lee Mossop returning to the side that beat Huddersfield 28-10 at Murrayfield last Sunday.
South Korea enjoyed the best of the second half and went close when Koo Ja-cheol hit the side-netting with a low shot before Lee Yong-rae's free kick flashed narrowly wide of the target.