Overview

• Naomi Osaka reached the last 16 by defeating Daria Kasatkina 6-0, 4-6, 6-3, her first US Open fourth round in New York since 2020.
• Coco Gauff advanced with a 6-3, 6-1 win over Magdalena Fręch, marking her fourth straight US Open round of 16.
• Their meeting recalls the 2019 US Open match won by Osaka, with Gauff having taken three of their four encounters since then.
• Osaka, a four-time major champion who returned to the tour in early 2024 after maternity leave, is into her first fourth round at a major since the 2021 Australian Open.
• Gauff, 21 and seeded No. 3, enters as a two-time Grand Slam winner, and the winner of Monday's match will move into the quarterfinals.