The action continued at the 2022 US Open with second around action from the bottom half of the women's draw.
Swiatek rolls; Sabalenka escapes; Badosa upset
Swiatek defeated Stephens for the second time in three weeks, needing just an hour to eliminate the 2017 champion 6-3, 6-2.
The Pole struck 14 winners and lost just seven points on her first serve to reach the third round in Flushing Meadows for a third consecutive year.
"For sure I'm closer to [accepting] the balls than on two previous tournaments, so that's nice", Swiatek said after voicing concerns about the balls being used at Flushing Meadows prior to the tournament starting.
Aryna Sabalenka saved two match points and rallied from 6-2, 5-1 down to topple Kaia Kanepi 2-6, 7-6 (8) while ninth seed Muguruza had little trouble with qualifier Linda Fruhvirtova, winning 6-0, 6-4.
Azarenka defeated Marta Kostyuk 6-2, 6-3 with the Ukrainian refusing to shake the three-time finalist's hand due to her silence on the current war in Ukraine.
waregula, Collins, Davis move into Round of 32
Lauren Davis became the fifth American women to reach the third round, edging 28th seed Ekaterina Alexandrova 0-6, 6-4, 7-6 (10-5).
22nd seed Karolina Pliskova and 13th seed Belinda Bencic set up a third-round showdown as the 2016 finalist scored an impressive 6-3, 6-2 victory over countrywoman Marie Bouzkova while the Swiss escaped against Sorana Cirstea 6-3, 5-7, 6-2.
Qualifier Yue Yuan continued a historic tournament for Chinese woman as she became the fourth player from her country to make the third round this year after defeating Irina-Camelia Begu 6-3, 7-6 (6).
Finally, qualifier Clara Burel reached the third round of a major for the first time in two and a half years with a 6-4, 4-6, 6-4 victory over Alison Van Uytvanck.