As she enters the seventh Grand Slam quarter-final of her career, Jessica Pegula is well aware she has yet to win one.
The sixth-seeded American eased past in-form 20-year-old Diana Shnaider 6-4, 6-2 on Labor Day Monday at the US Open, booking a highly-anticipated clash with world No.1 Iga Swiatek, who later dismissed Liudmila Samsonova in straight sets in the evening session on Arthur Ashe stadium.