After seeing Spain dominate his young German team, coach Joachim Loew thinks the Spaniards will go on to beat the Netherlands in the World Cup final.

"I am sure Spain will win the title," Loew said after Spain beat Germany 1-0 in their semi-final in Durban on Wednesday (Thursday (AEST). "They're the best team. They will beat the Netherlands."

A second-half header from Carles Puyol secured the victory, and although Loew lamented that his defence should have cleared the corner that led to the goal, he was magnanimous in defeat.

"I am sure the Spanish can win any game because they are dominant and it's hard to contain their attack," Loew said. "They have shown they can beat anyone.

"In the last two or three years, they've shown themselves to be one of the best and most united teams. They circulate the ball well and we weren't able to play the way we like to play."

Loew said his team surrendered possession too much in midfield at Moses Mabhida Stadium, and that they struggled to spring from defense into attack as efficiently as they did in wins over England and Argentina.

He said his team should not have allowed Puyol to head the winning goal from a corner.

"We should have intercepted that ball," Loew said.

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