The 22-year-old Pole defeated Australian Daria Saville 6-3, 6-4 in their second-round encounter at Flushing Meadows on Wednesday.
Up next for the Polish tennis star at the last Grand Slam tournament of the year is Slovenia's Kaja Juvan.
Meanwhile, Poland's world No. 77 Magdalena Fręch crashed out of the hard-court tournament in New York after losing 3-6, 3-6 to the Czech Republic's Karolína Muchová in the second round on Wednesday.
The 2023 US Open began on Monday and runs until September 10.
(gs)
Source: Eurosport, PAP