Sindhu has found her rhythm after the break. She has won five points of the next seven points to level the first set at 13-13.
A wide serve from Jiao makes it 14-14 each before Sindhu misses the drop shot and the Chinese opens a slight gap as the Indian's drop shot strikes the net.
Jiao too quick and deceptive as Sindhu loses another point with the lead swelling to 18-15.
Sindhu gets back with two points in a row to reduce the gap to 17-18.
But a powerful smash down the centre right into Sindhu's body has again put Jiao in command at 19-17.
Sindhu not giving up as a smart return helps her grab a crucial point
A powerful smash down the line by Sindhu to level scores at 19-19.
Jiao holds her nerves to take the next two points and clinch the first game 21-19 after 30 minutes.