Coco Gauff provided a bright spot for American fans at the US Open, advancing to the fourth round after defeating world No 40 Cristina Bucsa with a score of 6-3, 6-4. Despite not playing at her peak, the reigning US Open champion managed to grind out a win, showcasing her resilience. Gauff remarked, "I think it was way different playing in the day than at night... I'm just happy with how I fought through even when I wasn't playing my best." She will next face the winner of Iva Jovic vs. Alexandra Eala.

In stark contrast, fellow Americans faced stunning defeats. Taylor Fritz, the ninth seed, had a two-set lead against Federico Cerundolo but ultimately succumbed in a dramatic comeback, losing 3-6, 4-6, 6-3, 6-4, 6-4. This loss leaves the United States still seeking its first men’s singles title since 2003.

Madison Keys, the 2017 runner-up, suffered a heartbreaking defeat to Qinwen Zheng, having led 5-0 in the third set before losing 1-6, 7-6(7-3), 7-5. Keys expressed her disappointment, stating, "I just got really scared, like I couldn't swing."

Amanda Anisimova, last year's finalist, also exited early after a disappointing performance against Anastasia Potapova, hitting 46 unforced errors in a 6-2, 7-5 loss.

In other notable matches, Iga Swiatek advanced with a hard-fought victory over Marie Bouzkova and Alexander Blockx upset fifth seed Flavio Cobolli. The tournament continues with several exciting matchups on the horizon.