"It seems to me that Spanish tiki-taka is going bankrupt", he said.
Pak Chol-Nam, a teacher at Pyongyang International Football School, said Spain's failure provided a valuable lesson.
"The Spanish team's defeat gave me a lesson that it is most important to grasp the tactics of rivals and smartly counter them," Pak was quoted as saying.
"I will further study together with my trainees lessons and experiences gained in the on-going World Cup to put the training on a more scientific basis."
Wayne Rooney offers a heartfelt apology to fans Maybe we’re too honest, I feel, as a team. In terms of Uruguay the other night, they stopped the game, they committed I don’t know how many fouls
Harry Redknapp says he dealt with players at Tottenham who tried to avoid England duty.
"When full internationals came around, two or three players didn't want to go and play for England," Redknapp said.
"They'd come to me 10 days before the game and say: 'Gaffer, get me out of the game. I don't want to play in it.'"
England don't have a prayer of winning World Cup 2022, says Harry Redknapp
"Are we going to win the World Cup in Doha? Good luck. Not a prayer. Get in the real world," he told BBC Radio 5 Live on Sunday.