US Open 2024 live updates: Day 4 latest with Carlos Alcaraz, Iga Swiatek, Pegula in action today

Start time: 11 a.m. ET, 8 a.m. PT; TV: ESPN, Tennis Channel

Tomas Machac vs Sebastian Korda (16)

Korda, pictured, whose game is fluid when he is on, eased past dangerous French firestarter Corentin Moutet in the first round. Tomas Machac, he of the shortest shorts in tennis — and more recently an Olympic gold medal in mixed doubles — is another dangerous opponent.

Less prone to pique than Moutet, Korda will have to maintain his focus if he wants to continue a successful tournament for the American men.

Karolina Pliskova vs Jasmine Paolini (5)

Italian Paolini has become such a livewire presence on the WTA Tour this year that it’s hard to remember that she has done so out of nowhere. In New York, her deceptive power and intelligent use of angles are back and Karolina Pliskova of the Czech Republic will likely find it hard to live with her.

Sofia Kenin vs Jessica Pegula (6)

Sofia Kenin took out 2021 champion Emma Raducanu in three sets, with a display of slice forehands, judicious moonballs, and ripped groundstrokes that sent a player already lacking rhythm into a tailspin. Kenin is incredibly hard to beat when she’s on.

But she has a tendency to go into a spin herself when she already has her opponent in the washing machine. She can’t afford that against Pegula, a model of baseline consistency who is once again looking to get past the quarterfinal of a Grand Slam tournament.

Fabian Marozsan vs Daniil Medvedev (5)

Hungarian Marozsan is one of many men’s draw floaters that nobody particularly wants to face — but he’s found it difficult to convert his numerous three-set scalps to Grand Slam success. Medvedev, the 2021 champion, should have enough in five.

Caroline Wozniacki vs Renata Zarazua

Wozniacki came out of retirement at last year’s U.S. Open, making a memorable run to the fourth round.

Deep into her first year back on tour after having two children, the Dane faces Renata Zarazua of Mexico, who pulled off a huge upset by knocking out French No 30 seed Caroline Garcia in the opening round.