Satwiksairaj Rankireddy and Chirag Shetty became the first Indian men's doubles pair to enter the final of the Badminton Asia Championships after their opponents retired midway through the semi-final match, here on Saturday. After winning the first game, Satwik and Chirag were trailing 13-14 in the second when the Chinese Taipei duo of Lee Yang and Wang Chi-Lin retired, handing the match to the Indians. They face the eighth-seeded Malaysian pair of Ong Yew Sin and Teo Ee Yi, who defeated fourth seeds Takuro Hoki and Yugo Kobayashi of Japan 21-6 26-24 in the other semifinal, in the final on Sunday.