Castroneves, who enters today's Detroit Indy Grand Prix 43 points behind driver points-leader Scott Dixon, has refined his strategy to include mind games.
"I'm trying to do everything I can," said Castroneves, who will start on the front row with Dixon after turning in the second-fastest qualifying lap Saturday of 102.412 mph. "We're trying to get into his head. We're having fun with it."
Target Chip Ganassi's Dixon earned his sixth pole position of the season after recording a qualifying lap of 103.090.
"We can clinch it Sunday," said Dixon, who has won four times this year when starting from the pole.
Team Penske's Castroneves has excelled in the Detroit race, winning twice in the past three open-wheel races held on the 2.07-mile street circuit.
The Brazilian likes being in the position of "the hunter."
"As the hunted, you have pressure," he said, "and if you make a mistake, it's going to play into the hands of the hunter."
FORMULA ONE: Phil Hill, the only American-born Formula One champion, died Thursday of complications from Parkinson's disease. He was 81.
Hill was the 1961 Formula Open champion and a three-time 24 Hours of Le Mans winner.