In the India Open Superseries, Sindhu won the title by defeating Carolina Marin in straight games. In the BWF World Championships held from 21 to 27 August 2017 at Emirates Arena in Glasgow, Scotland, Sindhu had to settle for silver after losing to Japan's Nozomi Okuhara in the finals with scores 19–21, 22–20, 20–22. Sindhu defeated Okuhara in the final of the 2017 Korea Open Super Series by 22–20, 11–21, 21–18, thereby becoming the first Indian to win Korea Open..