Australia's 3-1 defeat was only  the country's fourth reverse since the Dutchman took charge.

A new-look back four took time to adapt last night and by then the visitors were already 2-0 down and chasing the game.

Speaking to Fox Sports after the game the coach said he had learned a lot from the experience.

"I learned a lot but I think my players did also, so that's why we play games like this," he said. "Korea deserved to win this game. If they are better than us, like they were today, especially in the first half, then they deserve to win this game.

"For me the most important thing is the performance and that I learn from my team what they can do and what they can't.

"We had a totally different team and we had a lack of experience in the back-line, and you need a little bit more experience with somebody who can organise in the back-line,'' said Verbeek in reference to a defence quartet of Jade North, Matk Milligan, Patrick Kisnorbo and Shane Stefanutto.

"I have to be fair it was not only the back-line it was the whole team.

"Defensive organisation was not good. The second half was much better but the first half was definitely not good."

The coach said such a poor start could not be allowed to happen next year in South Africa.

Verbeek added: "You cannot start like this. If you do this at the World Cup you better stay at home. We have to change that."