Emma Navarro Dominates Muchova to Reach U.S. Open Last 16

NEW YORK — The American surge at the U.S. Open picked up a serious jolt of energy on Friday, and it came from the Grandstand, not the show courts.

Emma Navarro, seeded 26th and playing with the calm of a veteran and the bite of a rising star, knocked out Czech seventh seed Karolina Muchova 6-3 7-5, claiming her third win of the season over a top-10 opponent and booking her place in the last 16.

This was no fluke. It was a statement.

Muchova, the Wimbledon finalist in July and one of the most complete shot-makers on tour, came in short on matches after minor surgery. Navarro showed no interest in sympathy. She stood firm on the baseline, took the pace, and sent it straight back with interest.

“I knew it was going to be tough today,” Navarro said, after joining compatriots Taylor Townsend and Jessica Pegula in the fourth round, with Madison Keys and Coco Gauff still to play their third-round matches. Tough, yes. But she made it look controlled.

The opening set turned on Navarro’s discipline against Muchova’s erratic timing. They traded early breaks, but while Navarro tightened the screws, Muchova leaked errors. Twenty-two unforced mistakes from the Czech in that first set told the story. Serving at 3-5, Muchova flung another forehand long in the penultimate game, surrendering her serve and the set. She never truly found her rhythm.

The second set felt different. Muchova began to land more first serves, stepped into the court, and at last turned the contest into a fight. The rallies stretched, the angles sharpened, and the breaks came in pairs as they traded them twice. Every time Muchova hinted at a surge, Navarro met her head-on, absorbing the pressure and countering with depth and accuracy.

The pressure finally told at 5-5. Navarro carved out a third break-point chance in the 11th game and seized it, breaking Muchova again to move in front. One game from a place in the second week, she didn’t blink.

Navarro, who reached the semi-finals in New York two years ago in what many saw as her breakthrough run, served for the match with the composure of someone who knows this stage and relishes it. On match point, she uncorked a forehand that ripped through Muchova’s defences. Winner. Arms up. Fists clenched.

The Grandstand, where she said she has played her last six matches in New York, roared for one of its favourites. Navarro has become a darling of the outer courts, where the crowds sit close, the noise hangs in the air, and reputations are often rewritten.

Next comes either Elina Svitolina or Anna Kalinskaya in the round of 16. Another test. Another chance for Navarro to turn a strong American showing into something more substantial — her own deep run at a home major.