Coco Gauff and Naomi Osaka face off Monday afternoon at 1:10 p.m. ET in the fourth round of the US Open, and their roles have decisively reversed since their last meeting in Queens. 

Gauff’s first professional matchup with Osaka came at the 2019 US Open, when Gauff was a first-time participant at age 15 while Osaka was the reigning champion. The results were predictable. Osaka breezed past Gauff in straight sets, advancing to the fourth round. 

However, just a few months later Gauff knocked off Osaka at the Australian Open, punching her ticket to the fourth round of a grand slam event for the first time in her young career. It was a sign of what was to come.

This time, Gauff has the target on her back. Now a two-time grand slam champion — including a US Open victory in 2023 — Gauff is the No. 3 seed in Flushing while Osaka is trying to climb her way back to prominence in the sport she once dominated.

The Sporting News is tracking live scoring updates and highlights from Monday’s fourth round match between Gauff and Osaka at the 2025 US Open.

STREAM: Watch Coco Gauff vs. Naomi Osaka live with Fubo (free trial)

Coco Gauff vs. Naomi Osaka score 123Coco Gauff2  Naomi Osaka3*  

*Denotes server

Coco Gauff vs. Naomi Osaka live updates, results, highlights from 2025 US Open fourth round

Coco Gauff 2-3 Naomi Osaka: Osaka guesses right at 15-15 but mishits a forehand and nearly takes out a ballboy by the umpire’s chair. She then loses a baseline exchange, which might give Gauff a little confidence boost. That serve is still an issue, though, and it’s Osaka who looks like the better mover early on. At deuce, Osaka doesn’t do nearly enough after a poor drop shot from Gauff, and the American comes through.

Coco Gauff 1-3 Naomi Osaka: Gauff gets a first point against the serve, a positive approach forcing Osaka to go long off the forehand. But the glimmer of hope of an early break back is short-lived.

Coco Gauff 1-2 Naomi Osaka: Gauff responds in kind with a love service game. Now, can she make some inroads on the Osaka serve?

Coco Gauff 0-2 Naomi Osaka: A hold to love for Osaka. Strong start.

Coco Gauff 0-1 Naomi Osaka — BREAK: Osaka breaks in the opening game! Gauff has had concerns on her serve and they show themselves right off the bat here.

First set

Here we go!

2:20 p.m. ET: “I’m really happy to have another opportunity on this court,” says Gauff. “I’ve learned a lot about myself [this week]. There’s no pressure.” Think it’s fair to say nerves will not be a problem today.

2:04 p.m. ET: And that match is over! What a win for Auger-Aliassime. Osaka and Gauff have been warming up and will be out on the Arthur Ashe court shortly.

1:44 p.m. ET: Auger-Aliassime is two sets and a break up against Rublev, so we could see Gauff and Osaka on court before too long.

12:30 p.m. ET: These two last met at the US Open back in 2019. Osaka knew then that Gauff was heading for stardom.

Naomi Osaka knew six years ago that Coco Gauff was going to be a star 🌟

They are facing off head-to-head again today at 1:30 PM ET 🍿

Watch on the ESPN App: https://t.co/DOjgW0S9pd pic.twitter.com/jugr78RDK9

— ESPN (@espn) September 1, 2025

11:30 a.m. ET: We’re looking at a start time of around 1:10 p.m. ET today, depending on how long the match between Felix Auger-Aliassime and Andrey Rublev takes.

How to watch Coco Gauff vs. Naomi OsakaTV channel: ESPN, Tennis ChannelLive stream: Fubo, ESPN+

Gauff’s battle with Osaka will air on ESPN and Tennis Channel nationally. Tennis fans can also stream the match without cable through ESPN+ and Fubo, which offers a free trial.

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What time does Coco Gauff vs. Naomi Osaka start?Date: Monday, Sep. 1Time: 1:10 p.m. ET

Monday’s fourth round matchup between Gauff and Osaka is scheduled to start at 1:10 p.m. ET. Like all US Open matches, Monday’s match will take place at the Billie Jean King National Tennis Center in Queens, N.Y. 

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US Open 2025 tennis schedule

Here’s a look ahead at the final week of action at the 2025 US Open. 

EventsDateMen’s & Women’s 4th Round, Men’s Doubles 2nd Round, Women’s Doubles 3rd RoundMonday, September 1Men’s & Women’s Quarterfinals, Men’s Doubles 3rd Round, Women’s Doubles QuarterfinalsTuesday, September 2Men’s & Women’s Quarterfinals, Men’s Doubles Quarterfinals, Women’s Doubles SemifinalsWednesday, September 3Women’s Semifinals, Men’s Doubles SemifinalsThursday, September 4Men’s Semifinals, Women’s Doubles FinalsFriday, September 5Women’s Finals, Men’s Doubles FinalSaturday, September 6Men’s FinalsSunday, September 7