Liedson made it 5-0 after the besieged Korean defense failed to cut a cross by fellow substitute Duda 10 minutes later . Portugal take a big step to escaping the World Cup 's so-called `` group of death '' Tiago nets a double as Koreans thrash Portugal six -0 in rematch of 1966 clash . Cristiano Ronaldo scores his first goal of the tournament as Portugal go first in Group G. Ivory Coast need to defeat Europeans by a similar margin and hope Portugal lose to Brazil .
Portugal take a big step to escaping the World Cup 's so-called `` group of death '' Tiago nets a double as Koreans thrash Portugal six -0 in rematch of 1966 clash . Cristiano Ronaldo scores his first goal of the tournament as Portugal go first in Group G. Ivory Coast need to defeat Europeans by a similar margin and hope Portugal lose to Brazil .