Rankireddy and Chirag faced a stiff challenge at the start of the first game with a 5-5 scoreline, but the pair ended the first break at 11-5, winning six straight points from down under.
The convincing win in the first game gave enough confidence to the Indian pair to add firepower to their style of badminton. Though the South Korean pair offered resistance after the break, an early lead helped India pocket the match in 40 minutes.