The point gained from the outing, in which Sonny completed the full 90 minutes, saw South Korea secure second place in Group A in the Asian qualifying section and, with that, automatic progression to Russia.
Elsewhere in World Cup qualifying, new signing Davinson Sanchez won his third international cap for Colombia, playing the full 90 minutes in a 1-1 draw away to Brazil, Serge Aurier was in the Ivory Coast side that lost 2-1 at home to Gabon while Ben Davies also put in a full shift for Wales as they won 2-0 in Moldova to move up to second in European Group D.