Defending champion PV Sindhu suffered a straight-game defeat to familiar foe and world number one Tai Tzu Ying of Chinese Taipei in the women's singles quarterfinals to bow out of the BWF World Badminton Championships on Friday.

from Times of India https://timesofindia.indiatimes.com/sports/badminton/pv-sindhu-fails-to-defend-world-championship-title-loses-to-tai-tzu-in-quarterfinals/articleshow/88339988.cms