PETALING JAYA: Malaysian squash queen Nicol David (pic) has booked herself a spot in the quarter-finals of the Netsuite Open in the United States.

The eight-time world champion, who crashed out in the quarter-finals at the China Open earlier this month, overcame Egypt’s Heba El Torky 11-6, 11-8, 11-5 at the University Club in San Francisco on Tuesday.