Saina, a London Olympics bronze medallist, prevailed 21-19 11-21 21-17 over the fifth seeded Chinese to make the last eight, her first in a super 500 event in over two and a half years. The 32-year-old from Hyderabad has been battling a series of injuries and lack of form in the past few years, which forced her to skip the selection trials for the Commonwealth Games, in April.
