Fifth seed Tian Houwei suffered a surprise defeat in the second round of the India Open in New Delhi on Thursday.
The Chinese shuttler came unstuck against Tzu Wei Wang of Taipei, going down 21-14, 21-12 in just 36 minutes.
Wang was surprisingly dominant against his higher-ranked opponent, going on a 16-point winning streak between the end of the first game and the start of the second that Tian was never able to recover from.
Meanwhile, Germany’s Marc Zwiebler, the eighth seed, was forced to withdraw from his match against Anders Antonsen, sending the Dane through to the quarter-finals.
Elsewhere, top seed Viktor Axelsen made light work of Kidambi Srikanth, breezing to a 21-17, 21-12 victory.
Also still alive in the competition are Angus Ng Ka Long, Chou Tien Chen and Tommy Sugiarto.
In the women’s draw, all of the top seed were able to book their place in the quarter-finals.
Carolina Marin, Sung Ji Hyun, PV Sindhu, Akane Yamaguchi, Ratchanok Intanon and Saina Nehwal all secured straight games victories to set up an exciting finale over the weekend.
Indian duo Nehwal and Sindhu will play each other in front of their home crowd for a place in the semi-finals.