India's campaign in the women's singles category at the $750, 000 Australia Open Superseries ended after London Olympics bronze medallist Saina Nehwal went down to sixth - seeded Sun Yu of China in a quarter - finals match here on Friday.
The Chinese shuttler beat Saina 21 - 17, 10 - 21, 21 - 17 in a match that lasted for an hour and 19 minutes.
Earlier, Saina's compatriot P. V. Sindhu also lost her quarter - finals match to World No. 1 Tai Tzu Ying of Chinese Taipei.
Sun Yu dominated the opening game taking a 8 - 4 lead before extending it further to 11 - 9 at the break.
Saina, however, made a strong comeback after the break and went ahead 15 - 13 before Sun Yu gained eight straight points to pocket the game.
In the second game, Saina surged ahead taking six straight points to lead 7 - 3 and went to the break at 11 - 4.
Coming back, the Hyderabadi never allowed the Chinese to settle and extended her lead to 18 - 10 and easily winning it 21 - 10.
The decider witnessed fierce battle between the two shuttlers splitting at 4 - 4 and then going neck and neck till 9 - 9 before Saina took the lead at 11 - 9.
Post the break, Sun Yu took three points in a row to make it 12 - 12 and then went ahead with six straight points to make it 19 - 15.
She kept her nerves and didn't allow the Indian free her arms to run away with the match 21 - 17.
Sun Yu will now take on Nozomi Okuhara, who beat fellow Japanese Sayaka Takahashi in another quarter - final tie.