Madison Keys suffered one of the biggest upsets of the 2025 season on Monday at the US Open, losing to Renata Zarazua.

Australian Open champion Madison Keys has been undone by 89 unforced errors during a 6-7 (10), 7-6 (3), 7-5 loss to Mexico’s Renata Zarazua in the first round of the U.S. Open

Renata Zarazúa upset No. 6 Madison Keys 6-7 (10), 7-6 (3), 7-5 in the first round of the US Open on Monday, becoming the first Mexican player to knock off a top-10 seed at a major since 1995.

Jack Draper comes through a severe examination of his fitness on his US Open return to join fellow Briton Cameron Norrie in the second round.

Twelve months on from his breakout Grand Slam run, Jack Draper returns to the US Open feeling stronger - and looking beefed up.

Draper played Federico Gomez in the first round of the U.S. Open on August 25. Draper has many fans on Instagram, where his comment threads frequently fill up with heart and fire emojis. According to Men's Fitness,

Carlos Alcaraz, Coco Gauff and the world's biggest tennis stars are squaring off in New York over the next two weeks

The best matches of day 2 include Williams' return to the singles at 45, Alcaraz's tricky opener and Victoria Mboko's debut as a seed.