Thailand’s Kunlavut Vitidsarn and Korea’s An Seyoung emerged champions at the India Open after stunning wins over two-time world champions Viktor Axelsen and Akane Yamaguchi in their men’s and women’s singles finals, respectively, here on Sunday.

Kunlavut beat Olympic champion Axelsen of Denmark 22-20, 10-21, 21-12 in 64 minutes to claim his maiden Super 750 tournament title, while An saw off world No. 1 Yamaguchi 15-21 21-16 21-12 in the women’s singles summit showdown.