NEW YORK: Zheng Qinwen arrived at the 2026 US Open through qualifying after a right elbow injury had pushed a former world No. 4 outside the Top 100.
Eight matches later, she has eliminated Iga Swiatek and become one of the most extraordinary quarterfinalists left in New York.
Zheng recovered from 5-0 down in the opening set to defeat the No. 8 seed and 2022 champion 7-5, 6-3 inside Arthur Ashe Stadium on Monday, extending a remarkable sequence in which she has now overturned a 5-0 deficit in consecutive matches against Grand Slam champions.
Earlier in the day, reigning French Open champion Mirra Andreeva followed a completely different route into the last eight. The No. 5 seed lost the opening set against Anastasia Potapova before recovering to win 5-7, 6-4, 6-3 in two hours and 27 minutes at Louis Armstrong Stadium.
The Russian teenager’s victory delivered her first US Open quarterfinal, but the final minutes carried concern for Potapova after the Austrian injured her left knee while trying to stay in the match at 3-5 in the deciding set.
Andreeva immediately crossed the court to help her friend reach her chair and called for ice while Potapova received treatment.
Two Round of 16 matches therefore produced two very different versions of survival.
Zheng transformed what looked like a near-certain first-set defeat into a straight-sets victory over one of the most successful players of her generation.
Andreeva had to solve a tactically unstable match in which momentum changed repeatedly before physical misfortune affected the final game.
Both are now quarterfinalists.
Swiatek and Potapova are out.
US Open 2026 Women’s Round of 16: Key Results
| Winner | Opponent | Score | Major Significance |
|---|---|---|---|
| Qinwen Zheng | Iga Swiatek | 7-5, 6-3 | First qualifier into US Open women’s quarterfinals since Emma Raducanu in 2021 |
| Mirra Andreeva | Anastasia Potapova | 5-7, 6-4, 6-3 | First US Open quarterfinal of Andreeva’s career |
The results are confirmed in the official US Open 2026 women’s singles draw.
Zheng Qinwen’s US Open Comeback Has Moved Beyond the Point of Coincidence
Zheng’s third-round escape against Madison Keys already looked difficult to repeat.
Keys led 5-0 in the deciding set and later held match point.
Zheng won seven consecutive games and completed a 1-6, 7-6(3), 7-5 victory.
Two days later, she found herself staring at almost exactly the same scoreboard against Swiatek.
The Pole raced to 5-0 in the opening set in only 23 minutes.
Swiatek was controlling the exchanges, moving Zheng from side to side and repeatedly preventing the qualifier from establishing the aggressive baseline position that makes her most dangerous.
Everything suggested the first set would disappear quickly.
It did not.
Zheng began finding greater depth, Swiatek’s control weakened, and the Chinese player gradually shortened the distance between them.
Five games became four.
Then three.
By the time the scoreboard reached 5-5, the psychological shape of the match had completely changed.
Zheng then struck a clean backhand winner down the line and eventually completed another seven-game run to take the set 7-5.
The official US Open report on Zheng’s victory confirms that she has now recovered from 5-0 down in successive Grand Slam matches against Keys and Swiatek.
Winning Seven Straight Games Against Swiatek Changes the Meaning of the Comeback
Coming back from 5-0 against almost anyone at Grand Slam level requires an unusual combination of opponent uncertainty and sustained execution.
Doing it against Swiatek carries another level of difficulty.
The six-time major champion has built much of her career around removing hope from opponents once she establishes scoreboard control.
Her movement and return quality usually make recovery increasingly difficult because a player chasing the score cannot simply rely on holding serve.
Zheng had to change the rallies themselves.
She began driving through the court with more confidence and stopped allowing Swiatek to dictate every exchange from the first neutral ball.
Once Zheng moved closer to the baseline, Swiatek had less time to repeatedly redirect her.
The comeback became tactical before it became numerical.
Swiatek Had Been Building Another Deep US Open Run
The result is particularly striking because Swiatek had arrived in the fourth round with another consistent Grand Slam campaign taking shape.
She defeated Nadia Podoroska 6-3, 6-2 earlier in the tournament, extending her streak of reaching at least the third round to 27 consecutive majors.
The Sports Encounter examined the historical scale of that run in our report on Swiatek’s remarkable Grand Slam consistency after beating Podoroska.
Her third-round victory over Marie Bouzkova was less comfortable.
Swiatek needed two tiebreaks, winning 7-6(3), 7-6(3), but reached the Round of 16 without dropping a set.
That brought her to Zheng carrying a 7-1 career advantage in their head-to-head meetings.
The only previous Zheng victory had come on one of the biggest stages possible: the semifinals of the 2024 Paris Olympics, where Zheng eventually won the gold medal.
New York has now given her another.
Zheng Improves to 2-7 Against Swiatek
The head-to-head still belongs overwhelmingly to Swiatek numerically.
The location of Zheng’s two victories makes the rivalry more interesting.
| Context | Result | Significance |
|---|---|---|
| Paris Olympics 2024 | Zheng defeated Swiatek | Zheng went on to win Olympic singles gold |
| US Open 2026 | Zheng won 7-5, 6-3 | Zheng reached the quarterfinals from qualifying |
Zheng has lost seven other meetings.
Her victories have come when the consequences were greatest.
That suggests the matchup is more nuanced than the 2-7 record initially implies.
Zheng Has Gone From US Open Qualifying to the Final Eight
The wider comeback story may be even more significant than Monday’s result.
Zheng reached a career-high world ranking of No. 4 in 2025 before a right elbow problem disrupted her progress.
She missed last year’s US Open and eventually dropped to No. 121.
That ranking meant she had to qualify for the 2026 main draw.
The Sports Encounter followed the uncertainty around her return during our US Open qualifying coverage, when Zheng was still fighting simply to reach the tournament proper.
She eventually won three qualifying matches.
The main draw then became another test of whether her physical recovery could survive repeated Grand Slam competition.
That question has now been answered more convincingly than anyone could reasonably have expected.
Zheng Is the First Female Qualifier Into the US Open Quarterfinals Since 2021
The last woman to make this journey was Emma Raducanu.
Raducanu entered the 2021 US Open through qualifying and won the tournament without dropping a set.
Zheng’s path has been far more chaotic.
She has needed comebacks, long matches and repeated recovery from dangerous scoreboard positions.
The result is the same at this stage.
She has reached the final eight.
It is Zheng’s fifth career Grand Slam quarterfinal and her third at the US Open following previous runs in 2023 and 2024.
Zheng Has Now Removed Two Major Champions in Three Days
Keys and Swiatek represent very different tactical problems.
Keys attacks with immediate pace and tries to shorten points.
Swiatek builds pressure through movement, depth and relentless control of the baseline.
Zheng has now found solutions to both.
That progression strengthens the argument made in The Sports Encounter’s Round of 16 analysis, when we identified Zheng as one of the players capable of changing the bottom half of the women’s draw after her extraordinary escape against Keys.
At that stage, Swiatek remained one of the title favorites.
She does not anymore.
Swiatek’s Exit Changes the Women’s Championship Race
The women’s draw still contains several Grand Slam champions and established contenders.
Aryna Sabalenka remains in pursuit of a third consecutive US Open title.
Coco Gauff entered Monday still chasing another New York championship.
Elena Rybakina and Naomi Osaka were scheduled to meet later in the day.
Jessica Pegula has already reached the quarterfinals.
Andreeva is the reigning Roland Garros champion.
The elimination of Swiatek removes one of the tournament’s most reliable major performers and another player who remained mathematically relevant to the wider ranking conversation entering New York.
The Sports Encounter’s detailed analysis of the WTA No. 1 race showed how much the final rounds could reshape the leading positions in women’s tennis.
Swiatek’s tournament is now finished.
The title and ranking equations become narrower again.
Mirra Andreeva Had to Win a Completely Different Match
While Zheng was producing the day’s biggest upset on Arthur Ashe Stadium, Andreeva encountered a much less orderly contest against Potapova.
The fifth seed entered the match having lost only six games across her first two rounds before navigating a more demanding third-round meeting with Nikola Bartunkova.
The Sports Encounter had identified Andreeva as one of the most tactically mature young contenders before the tournament in our complete US Open 2026 preview.
Monday tested that maturity.
Potapova won the first set 7-5 after Andreeva committed 22 unforced errors compared with only 10 from the Austrian.
The final game of the set was particularly costly.
Andreeva produced two double faults and two unforced errors, allowing a highly competitive opening set to disappear quickly.
Potapova Had Answers for Almost Everything Early
Andreeva later admitted she struggled to understand how to hurt her opponent during the opening set.
Potapova was changing direction well, defending aggressively and finding creative solutions whenever Andreeva tried to take control.
That prevented the French Open champion from settling into the patient point construction that usually separates her from less tactically flexible opponents.
The match demanded adjustment rather than additional force.
Andreeva Moved Forward More Often and Changed the Match
The second set brought the clearest tactical shift.
Andreeva began committing more aggressively to forward movement.
She established a 2-0 lead before Potapova responded with three consecutive games, using lobs and sharp backhand angles to pull the teenager into uncomfortable positions.
The decisive moment arrived before the scoreboard became dangerous.
Potapova held a break point that would have given her a 4-2 lead.
Andreeva saved it with an overhead and held serve.
Potapova then double-faulted in the following game to surrender the break.
Andreeva closed the set 6-4.
The WTA’s official match analysis identifies Andreeva’s increased willingness to move forward as one of the adjustments that changed the contest.
The Deciding Set Was Built Around Break Points and Survival
The third set began with three consecutive service breaks.
The important game was the one that stopped the sequence.
Andreeva saved two break points to hold for 3-1.
That single hold created the first meaningful separation either player had been able to maintain.
Potapova refused to disappear.
She saved herself from falling two breaks behind at 2-4 and continued forcing Andreeva to solve difficult rallies.
The match had remained competitive for more than two hours when Potapova served at 3-5.
Then the sporting contest became secondary.
Potapova’s Knee Injury Changes the Final Memory of a Quality Match
Potapova fell while chasing an Andreeva forehand during the final game and immediately required medical attention to her left knee.
Andreeva crossed the court within seconds.
She helped Potapova toward the chair and called for ice while treatment began.
Potapova eventually returned with the knee heavily strapped.
She did not win another point.
Andreeva completed the 5-7, 6-4, 6-3 victory, but her reaction reflected how little satisfaction either player could take from the ending.
The two shared a long embrace at the net.
The result remains Andreeva’s victory.
The final game should not obscure how competitive Potapova had been before the injury.
Andreeva and Potapova Have Developed a Fascinating 2026 Rivalry
This was already their second significant three-set contest of the season.
Andreeva defeated Potapova 1-6, 6-4, 6-3 in the Linz final in April.
The New York result followed an almost identical recovery pattern after losing the opening set.
Andreeva now leads their overall head-to-head 4-1.
Potapova’s only victory came at Monastir in 2022, when Andreeva was 15 years old and playing the first WTA main-draw match of her career.
Four years later, both have changed dramatically.
Potapova entered New York having improved her ranking from No. 97 to No. 25 in roughly four months.
Andreeva arrived as a Grand Slam champion.
Andreeva Reaches Her First US Open Quarterfinal
The achievement expands an increasingly remarkable major record for a 19-year-old.
Andreeva has now reached five Grand Slam quarterfinals across three different majors.
The biggest breakthrough came in Paris earlier this year, where she won Roland Garros and became the youngest women’s champion there since Monica Seles in 1992.
New York had previously been the major where her results had lagged behind her reputation.
That gap has now closed.
The Sports Encounter’s early tournament report on Andreeva’s opening-round dominance highlighted a 17-point winning streak during her 6-2, 6-2 victory over Janice Tjen.
The tennis Monday was much less clean.
The achievement may ultimately be more useful because Andreeva had to solve problems instead of simply overwhelming an opponent.
Andreeva’s 2026 Grand Slam Rise Is No Longer a Breakthrough Story
There is an important distinction between emerging talent and established contender.
Andreeva crossed it in Paris.
Winning a Grand Slam means future tournaments are evaluated differently.
Reaching a quarterfinal is no longer surprising.
It becomes part of the expectation.
Her New York run should therefore be judged through the same standards applied to Gauff, Sabalenka, Rybakina, Osaka and Pegula.
Can she manage physical accumulation?
Can she win when her cleanest tennis disappears?
Can she respond when an opponent solves the first plan?
Potapova forced her to answer those questions.
Andreeva is still in the tournament.
Two Quarterfinal Routes, Two Very Different Tests Ahead
At the publication cutoff, neither quarterfinal opponent had yet been confirmed.
| Quarterfinalist | Next Opponent | What the Matchup Could Mean |
|---|---|---|
| Qinwen Zheng | Naomi Osaka or Elena Rybakina | Zheng will face elite first-strike power regardless of who advances |
| Mirra Andreeva | Coco Gauff or Iva Jovic | Andreeva could face a former champion or one of America’s leading young players |
Zheng’s possible quarterfinal is particularly demanding.
Osaka and Rybakina both possess serves capable of shortening matches quickly and first-strike forehands that punish short returns.
Zheng has already spent significant physical and emotional energy during eight matches across qualifying and the main draw.
The question now becomes whether extraordinary survival can transition into controlled winning.
Andreeva Could Face Another American Pressure Test
Andreeva awaits the winner of Gauff and Iva Jovic.
Either matchup carries a completely different atmosphere.
Gauff is a former US Open champion and entered New York after winning Cincinnati.
The Sports Encounter’s analysis of Gauff’s Cincinnati title identified her improved return aggression and forward movement as important developments before the US Open.
Jovic would present a younger opponent with less major experience but considerably less external pressure.
Andreeva will have to prepare for both possibilities until Monday night’s result settles the matchup.
Swiatek’s Departure Adds Another Major Name to New York’s Exit List
The tournament has already lost important players from both singles draws.
Novak Djokovic departed in the first round.
Felix Auger-Aliassime and Daniil Medvedev followed.
Madison Keys lost after coming within one point of eliminating Zheng.
Swiatek now becomes the most significant women’s exit of the fourth round so far.
The Sports Encounter has tracked that volatility throughout the fortnight, beginning with our early-round analysis of Osaka, Keys and the tournament’s major survivors.
The women’s championship remains deeper than the men’s in terms of major-winning experience.
It is no longer as predictable as it looked entering the second week.
Jessica Pegula Is Already Waiting in Another Quarter of the Draw
While Zheng and Andreeva were fighting through Monday, Jessica Pegula had already secured her quarterfinal place with a 6-3, 6-4 victory over Sorana Cirstea.
The Sports Encounter’s analysis of Pegula’s progress examined why conserving physical energy could become increasingly important during the final rounds.
Zheng has followed the opposite route.
She has accumulated matches and emotional stress.
Andreeva sits somewhere between them.
She dominated early rounds before Potapova forced her into a two-hour, 27-minute examination.
Grand Slam champions often reach the final weekend through very different paths.
The important question is whether the difficult matches sharpen a player or eventually empty the tank.
TSE Analysis: Zheng’s Run Has Become the Story Nobody Could Reasonably Project
Andreeva reaching a quarterfinal makes sense.
She entered the tournament as the No. 5 seed and reigning French Open champion.
Her route has become difficult, but her presence among the final eight belongs comfortably within the range of pre-tournament expectations.
Zheng is different.
A former world No. 4 returning from elbow surgery at No. 121 could reasonably have treated qualifying as the first successful step.
Winning three matches to reach the main draw would have represented progress.
Winning another match would have added evidence.
Instead, she has reached the quarterfinals after removing Keys and Swiatek.
The two comebacks from 5-0 down make the run visually unforgettable, but the deeper significance lies in what happens between those scoreboard extremes.
Zheng is rediscovering her timing during competition.
Her movement has survived repeated matches.
Her confidence has returned quickly enough for her to attack major champions from losing positions rather than simply trying to extend the contest.
That is what makes this more than an inspirational injury comeback.
Her actual level is becoming dangerous again.
Andreeva’s Win Shows Why Her Grand Slam Title Changed Expectations
Andreeva’s performance offers a different lesson.
She did not play beautifully for three sets.
She made 22 unforced errors in the opener.
She struggled to understand Potapova’s patterns.
She repeatedly faced break-point pressure.
She adjusted.
That distinction matters because Grand Slam champions eventually need victories on days when the preferred version of their game does not arrive.
Roland Garros proved Andreeva could play championship tennis.
Potapova forced her to prove she could problem-solve while losing.
The quarterfinal is the reward.
The Women’s US Open Has Entered Its Most Interesting Phase
The first week established the contenders.
The fourth round has started removing them.
Swiatek’s exit creates another opening without producing an obvious beneficiary.
Zheng still has to face Osaka or Rybakina.
Andreeva still has to face Gauff or Jovic.
Sabalenka, Pegula and several other serious contenders remain in the opposite half.
The title race explored in our original US Open draw analysis has therefore changed substantially without becoming easier to predict.
Zheng has become the qualifier nobody wants to see across the net.
Andreeva has become the teenager who no longer feels like a teenager in Grand Slam matches.
New York will now find out how far each transformation can travel.
Frequently Asked Questions
Who won Iga Swiatek vs Qinwen Zheng at the 2026 US Open?
Qinwen Zheng defeated Iga Swiatek 7-5, 6-3 in the fourth round of the 2026 US Open.
Was Zheng Qinwen 5-0 down against Swiatek?
Yes. Swiatek led the opening set 5-0 before Zheng won seven consecutive games to take the set 7-5.
Did Zheng also come back from 5-0 down against Madison Keys?
Yes. Zheng trailed Keys 5-0 in the third set during their Round 3 match and later saved match point before winning 1-6, 7-6(3), 7-5.
Is Zheng Qinwen a qualifier at the 2026 US Open?
Yes. Zheng entered qualifying after injury disrupted her ranking and won three qualifying matches to reach the main draw.
What is Zheng Qinwen’s ranking?
Zheng entered the US Open ranked No. 121 after a right elbow injury interrupted the period in which she had previously reached a career-high No. 4.
When did a female qualifier last reach the US Open quarterfinals?
Emma Raducanu was the previous female qualifier to reach the US Open quarterfinals in 2021. She eventually won the title.
What is Zheng Qinwen’s head-to-head record against Iga Swiatek?
Zheng improved to 2-7 against Swiatek with her victory in New York. Her other win came during the 2024 Paris Olympics.
Who won Mirra Andreeva vs Anastasia Potapova?
Mirra Andreeva defeated Anastasia Potapova 5-7, 6-4, 6-3 in two hours and 27 minutes.
What happened to Anastasia Potapova?
Potapova injured her left knee after falling while chasing a forehand late in the deciding set. She received treatment and completed the match, although her movement was visibly affected.
Has Mirra Andreeva reached a US Open quarterfinal before?
No. The 2026 tournament marks Andreeva’s first US Open quarterfinal.
Who will Zheng play next?
Zheng will face the winner of Naomi Osaka versus Elena Rybakina in the quarterfinals.
Who will Andreeva play next?
Andreeva will face the winner of Coco Gauff versus Iva Jovic for a place in the US Open semifinals.
