South Korea will face Brazil, Chile and Paraguay in Seoul, Daejeon and Suwon in their upcoming friendlies next month, their Football Association has confirmed.
The Asian giants will face five times world champions Brazil on June 2 before facing Chile and Paraguay on June 6 and June 10 respectively.
The games are expected to test the 2002 World Cup semi-finalist for what to expect in their group, when they engage Ghana, Portugal and Uruguay.
South Korea are making a tenth straight appearance at the World Cup after qualifying from Group A of the Asian zone qualifiers.
Their best performance was when they co-hosted the tournament with Japan in 2002, and finished fourth.
Currently ranked 29th in the world, South Korea will open their World Cup with a game against Uruguay before playing Ghana and Portugal.
The World Cup in Qatar begins on November 21 and ends on December 18 in Qatar.