Ronaldinho and Jo were on target as Brazil's Olympic Games preparations started with a 3-0 win over Singapore.
Brazil's Olympics side were on top for the bulk of the game and took the lead 20 minutes into the encounter.
AC Milan new boy Ronaldinho helped the ball on for Werder Bremen schemer Diego to finish ruthlessly from the edge of the box.
The roles were reversed on 27 minutes as Diego's ball into the penalty area provided Ronaldinho with a simple tap-in.
Manchester City's new striker Jo was a second-half substitute for Brazil and he headed home the third goal with six minutes left.
Brazil, who face hosts China, New Zealand and Belgium in next month's Games in Beijing, have another friendly against Vietnam on Friday.