Striker Nilmar came the closest to breaking the deadlock for Brazil, as his shot was diverted onto the crossbar by Portugal goalkeeper Eduardo.

Brazil finished as group winners and will face Chile in the second round. Portugal went through as runners up and will face Spain.

Meanwhile, Ivory Coast comfortably beat the Democratic Republic of Korea 3-0 in the group's other match but it wasn't enough to give them hope of qualifying in place of Portugal.

In group H, Spain's World Cup campaign finally burst into life as they beat ten-man Chile to finish top and avoid a last 16 clash with tournament favorites Brazil.

David Villa and Andres Iniesta scored the goals as the European champions leapfrogged their opponents into top spot courtesy of a 2-1 win.

Switzerland failed to take advantage of Chile's defeat and grab the last qualification spot, as their game with Honduras finished 0-0.