"We want to progress and get to the next level of the Nations League. "We're a little bit unsure of what if affects down the line in terms of World Cup qualification and play-offs. "I don't think anyone really knows how that sits until the whole Nations League has played out.

Son Heung-min scored his 50th international goal on Thursday as South Korea beat Kuwait 3-1 to take a big step toward an 11th successive World Cup appearance. The Tottenham forward converted a penalty to make it 2-0 in the 19th minute and help South Korea earn a fourth successive win in Group B of Asia’s World Cup qualifiers to move five points clear at the top with five games to go.

Captain Son Heung-min marked his international return with a goal, as South Korea defeated Kuwait 3-1 for their fourth consecutive victory in the ongoing World Cup qualification round in Kuwait City on Thursday.