A curling Neymar free kick and a neat finish from Oscar proved enough to earn the Confederations Cup champion its ninth victory in its last 10 outings.
And Felipao was pleased with the way his team reacted to a spirited performance from the Taegeuk Warriors.
“The result was better than expected,” he said. “We had difficulties but overcame them really well. South Korea have quality. They were very impressive in the last 20 minutes.
“They were also very good early in the game. I think they were defensive. Maybe Brazil just wanted to play football and South Korea tried a little too hard to impress. They conceded twice many fouls as us.”
Scolari's side will now head off to Beijing for the next leg of the Gillette Brazil Global Tour to face Zambia at the Bird's Nest Stadium on Tuesday.