US Open quarterfinals: Jannik Sinner vs. Daniil Medvedev, Jessica Pegula vs. Iga Swiatek

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The quarterfinals are on the program on the 10th day of the US Open.

In the men's competition, Jannik Sinner and Daniil Medvedev will face a battle of Grand Slam champions, while American Jessica Pegula will face the toughest test in women's tennis when she plays against Iga Swiatek.

This is what awaits you…

Arthur Ashe

Time Event: 12:00 p.m. ET, 9:00 a.m. PT
TV: ESPN, Tennis Channel

Beatriz Haddad Maia (22) against Karolina Muchova

Karolina Muchova has experienced this before. Last year's semifinalist beat Sorana Cirstea in this stage before losing to eventual winner Coco Gauff. Muchova has already exceeded expectations this year – not by making it to the quarterfinals again, but by getting on a tennis court at all. Wrist surgery kept her off the WTA Tour for nine months, just when she seemed on the verge of cementing her position at the top of tennis.

She is now reminding the world of her quality and Muchova would be a formidable opponent for Jessica Pegula or Iga Swiatek, who she defeated in three sets in the final of the 2023 French Open.

Swiatek reached the final of the French Open by defeating Muchova's opponent Beatriz Haddad Maia in the semifinals. This remains Haddad Maia's record at a Grand Slam tournament, and she has never made it past the second round at the US Open. Haddad Maia fought her way through Caroline Wozniacki in the previous round, fending off several break points in the final game before – as she would be the first to admit – advancing on match point with a lucky, misplaced serve.

Muchova has won this duel three out of three times, the first time in 2016, and the last time, last year in Cincinnati, went the full distance.

Beatriz Haddad Maia is on track to win the US Open all-time (Charly Triballeau / AFP via Getty Images)

Jack Draper (25) vs. Alex de Minaur (10)

One of those players will reach her first Grand Slam semifinal on Wednesday night. De Minaur, who like Muchova will be delighted to be here at all after making a remarkably quick recovery from a hip injury sustained at Wimbledon, has already reached three major quarterfinals, two of which took place this year.

This will be Draper's first major quarter-final, building on his fourth-round appearance at last year's tournament. De Minaur won their previous Grand Slam meeting at Wimbledon in four sets and their other two encounters on outdoor hard courts both went the full distance or nearly the full distance. Earlier this year in Acapulco, Draper retired 4-0 down in the third set due to illness after coming from a set down to level the match.

In this tournament he lost the fewest games in the entire men's tournament.

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Iga Swiatek (1) vs. Jessica Pegula (6)

A familiar scenario for Jessica Pegula, one that has never worked out in her favor. Pegula has lost 0-6 in Grand Slam quarterfinals and is also 0-1 in the US Open quarterfinals against Swiatek – the world number 1 she defeated en route to winning the 2022 title. Swiatek most recently beat Pegula with a sobering 6-1, 6-0 victory at the 2023 WTA Finals in Guadalajara, after which Pegula said she tried to be too offensive.

This was partly a case of “doing whatever you can to slow the momentum.” When Swiatek is in the lead, it can feel like watching an avalanche. But it's also the key to something Pegula may need to unlock if she wants to overcome her block in the quarterfinals. Her groundstrokes are as good, reliable and penetrating as most on tour and the rhythm with which she hits balls that land near the baseline time and time again is the envy of all players.

Against opponents as good as Swiatek, Pegula finding her rhythm helps the other players find theirs. If Pegula adds a little variety or tries a little more, she can throw her opponent off her rhythm, but it's also a bigger risk. Finding that balance will be crucial on Wednesday night.

Jannik Sinner (1) vs. Daniil Medvedev (5)

Daniil Medvedev has a head-to-head record against Jannik Sinner of 7-5, but the order of those results is more important than their number. Medvedev won their first six meetings between 2020 and 2023. Sinner won the next five, including the Australian Open final in January, when he overcame a two-set deficit against an exhausted Medvedev to win his first Grand Slam title.

A 6-1, 6-2 loss in Miami later in the year was probably the more sobering defeat for the Russian, who had broken his winning streak with a five-set victory over Sinner at Wimbledon in July. Like Medvedev in Australia, Sinner struggled physically in that match. A Grand Slam encounter with both fit and in good form is tempting – even if Medvedev, the 2021 champion in New York, may be feeling a little unfinished after his win over Nuno Borges in the round of 16.

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(Top photo of Jessica Pegula: Peter van den Berg / ISI Photos via Getty Images)