Rossi’s best lap of 1 minute, 43.1206 seconds (140.131 mph) in the second of three practice sessions held up as the fastest of any NTT IndyCar Series driver on Road America’s 4.014-mile permanent road course.
“Not too happy with the car right now,” Rossi admitted.
Power trailed Rossi on the timesheet by nearly three-tenths of a second.
Conversely to Rossi, Power was pleased with his car’s handling.
Newgarden, also the defending winner at Road America, leads Rossi by 25 points entering the race weekend.