us open 2025 coco gauff naomi osaka.

Coco Gauff, of the United States, waves after winning the match point against Magdalena Frech, of Poland, during the third round of the U.S. Open tennis championships, Saturday, Aug. 30, 2025, in New York. (AP Photo/Kirsty Wigglesworth)

Get ready for Coco Gauff vs. Naomi Osaka at the US Open. It’s been 6 years since their first matchup

Coco Gauff and Naomi Osaka have set up a high-profile showdown between two past title winners in the U.S. Open’s fourth round. Their meeting Monday, with a quarterfinal berth at stake, is a rematch from 2019, when Gauff was a 15-year-old making her main-draw debut at Flushing Meadows. Osaka won that one and consoled a teary Gauff on the sideline. Osaka advanced to her first fourth-round match at any major since the 2021 Australian Open by eliminating No. 15 seed Daria Kasatkina 6-0, 4-6, 6-3 on Saturday. Gauff made it that far at the U.S. Open for the fourth consecutive year with a 6-3, 6-1 victory over No. 28 Magdalena Frech.

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