So much has happened for Naomi Osaka — in tennis, away from tennis — since she first played Coco Gauff at the U.S. Open back in 2019.

American tennis star Amanda Anisimova is one win away from winning the U.S. Open after beating Naomi Osaka in the semifinals ...

Making her eighth major appearance since giving birth to daughter Shai, Osaka scored her first Top 3 victory since the 2019 China Open (d. Ashleigh Barty), planting the No. 3-seeded Gauff in one hour ...

Coco Gauff enjoyed a stress-free 6-3, 6-1 win over Magdalena Frech to propel her into the fourth round of the US Open, where she will face four-time major champion Naomi Osaka.

“I’m a little sensitive and I don’t want to cry, but honestly, I just had so much fun out here," said Osaka, who first played Gauff back at the 2019 U.S. Open, also in Ashe, and won that one, too.

Naomi Osaka and Coco Gauff will meet in the fourth round on Monday. And it's more of a toss-up than recent results suggest.

From surpassing $40 million in career prize money to hitting 50 career Top 10 wins and 100 career wins at Grand Slams, the world No. 1 did A LOT in Flushing Meadows this year.