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What followed was a scintillating match which could easily have swung either way - Hulk scored in the second half but saw the goal ruled out for handball, while Mauricio Pinilla hit the crossbar in the final seconds of extra-time with the score still at 1-1.
Luiz converted the first penalty for Brazil in the shootout, which Luiz Felipe Scolari's men ultimately won 3-2, and he hopes he can shake off any niggling fitness worries to feature against Colombia or Uruguay in their World Cup quarter-final.
"I always practise penalties, with time you learn that should remain calm in these situations above all," he told SporTV. "Thank God, I was blessed.
"I'll have time to recover my fitness, I'm sure I'll be at 120 percent for the next match. I'm in the hands of very competent people, they will help me with that.
"One more battle is won, but the war is not over."
Brazil are hoping to avenge the last time they hosted the World Cup, in 1950, when they were beaten in the final by Uruguay.
There could be a repeat of the Maracanazo should Oscar Tabarez's men overcome Colombia in their last-16 clash, also on Saturday.