The Avalanche Andretti driver atoned for his qualifying error that cost him pole by pouncing on a mistake from polesitter Lucas di Grassi to pick up the lead, and overcame a hit to his lead from a mid-race safety car to waltz into an unassailable lead.
Dennis overcame a slight challenge from Jake Hughes to retain second off the line, but could not challenge di Grassi in the opening stages following an early safety car.
