Brazil advanced to the semi-finals of the football competition with a 2-0 win over Camerron after extra time.
The five-time world champions, who are yet to win an Olympic gold, were aided by goals from Rafael Sobis and Marcelo.
The two teams played out a goalless draw in normal time.
Brazil will play the winner of the match between Argentina and the Netherlands in the semi-finals.
In another match, Belgium upset Italy 3-2 to advance to the last four.
Giuseppe Rossi's 18th minute penalty goal helped Italy take an early lead.
However, Belgium's Moussa Dembele grabbed an equalizer six minutes later.
Kevin Mirallas' injury-time goal helped Belgium take a lead into the first half.
Italy received another penalty kick in the second half, equalizing in the 74th minute.
Moussa Dembele scored a long-range goal five minutes later and that proved to be the winning goal.
