The 26-year-old Veenendaler, number 23 in the world, defeated the Spaniard Jaume Munar in just over 1.5 hours in two sets: 6-3 6-3. In the second round, Van de Zandschulp had defeated compatriot Tallon Dikkepoor. He will meet Benjamin Bonzi in the quarterfinals. The Frenchman, number 50 in the world, beat Brazilian Thiago Monteiro (7-5 6-2) in straight sets.
Van de Zandschulp on track in the run-up to US Open, reaches quarterfinals ATP tournament Winston-Salem
