Aurangzeb Mehmund and Maria Toor secured their places in the semi-finals at the championship in Chennai.—File photo
Aurangzeb shocked Frenchman Lucas Serme 8-11, 11-9, 7-11, 11-8, 11-8 in the 93-minute match.
The 16-year-old Aurangzeb will now face Malaysia's Ivan Yuen in the semi-final.
Another Pakistani, Farhan Zaman, seeded eighth, failed to pull an upset and lost his quarter-final against fourth seed Egypt's Andrew Wagih Shoukry 8-11, 7-11, 8-11.
Meanwhile, Maria Toor overpowered Egypt's Kanzy Emad El-Defrawy 6-11, 11-4, 11-9, 8-11, 11-8 in 47 minutes.
In semi-finals, Maria faces another Egyptian 13-year-old Nour El Sherbini who produced the biggest shock in women's quarter-finals when she defeated second seed Heba El Torky 7-11, 11-8, 9-11, 13-11, 11-8 in 61 minutes.—PPI
