They are Ghana, Venezuela, Brazil and North Korea.

This follows the conclusion of Wednesday's Round of 16 fixtures where Ghana defeated Argentina via penalty shoot-out following a 1-1 draw.

Venezuela also won 1-0 against Germany, while North Korea thrashed host nation Morocco 6-0.

Brazil defeated Poland 8-7 on penalty shoot-out following a 3-3 draw after full time.

More teams will progress to the quarter-final stage later today when more Round of 16 matches will be played.

Nigeria will face Mexico, while China will tackle France, and Spain will take on the United States.