Two-time defending champion P V Sindhu took another step towards retaining her women's singles title by reaching the quarter-finals of the Macau Open Grand Prix Gold.

Two-time bronze medallist at World Championship, Sindhu, seeded fifth, defeated Indonesia’s Lindaweni Fanetri 21-17, 21-18 in a match that lasted 46 minutes. The World No. 12 will next take on China's Chen Yufei.

In the men’s singles, seventh seed H S Prannoy saw off China’s Qiao Bin 12-21, 21-11, 21-19 in a gruelling match that lasted an hour and five minutes. He will next play 16th seed Ihsan Maulana Mustofa of Indonesia.

B Sai Praneeth, seeded 15th, defeated Indonesia's Andre Kurniawan Tedjono 21-15, 21-6 in another match and will face Malaysia's Goh Soon Huat at the Tap Seac Multisport Pavilion Macau.

Image: PV Sindhu