Manager Kim Jong-hun is confident that North Korea can upset the odds and beat Brazil on Tuesday.
Ahn Yong-hak believes North Korea hold a psychological advantage over Brazil.
An Yong-hak feels North Korea could spring a surprise against South American giants Brazil.
Fifa has sought to play down mounting safety concerns following Sunday's stampede in Tembisa.
Nigeria saw off North Korea in their final World Cup warm-up match, which was disrupted by a fans stampede.
Several people were injured after a crowd stampede during a game between Nigeria and North Korea.
FIFA insists it is not at fault for the crowd stampede which occurred outside a stadium in Johannesburg.
Fifa has informed North Korea that they will not be able to use Kim Myong-Won as a striker this summer.
Nigeria and North Korea will meet in a friendly in Johannesburg on 6th June, a spokesman has confirmed.
North Korea twice came from behind to claim an impressive 2-2 draw with Greece on Tuesday.
Kim Jong-Hun is confident North Korea can defy expectations and progress to the World Cup knockout stages.
Ivory Coast coach Sven-Goran Eriksson believes North Korea could be dark horses at the World Cup.
Paraguay earned a late 1-0 win over fellow World Cup hopefuls North Korea in their friendly in Nyon.
North Korea have named their 23-man squad for their World Cup campaign in South Africa.
The Zimbabwean government has confirmed that North Korea's squad will train in the country before the World Cup.
The South African government has established a committee to inspect all of the host cities.
Mexico's preparations for South Africa 2010 continued with a 2-1 win over fellow World Cup finalists North Korea.
World Cup boss Danny Jordaan has defended the host nation for this summer's event after the attacks in Angola.
North Korea secured a morale-boosting win ahead of next summer's World Cup by defeating Qatar 1-0.
Philippe Troussier says there has been contact regarding coaching North Korea at the World Cup finals.