Czech duo Karolina Muchova and Jakub Mensik have won the US Open mixed doubles title, giving Czech tennis its first champions in the event’s revamped, star-studded format. The pair beat their way through a stacked 16-team field at Flushing Meadows to lift the trophy days before the singles draws even got underway.
Key Takeaways
- Karolina Muchova and Jakub Mensik won the 2026 US Open mixed doubles title, teaming up for the first time at a Grand Slam.
- The event follows the shortened, celebrity-pairing format the USTA introduced in 2025, played in the week before the main singles draw.
- Muchova is a former French Open singles finalist; Mensik is the reigning Miami Open champion who beat Novak Djokovic in that 2025 final.
- The win adds to a strong recent run for Czech tennis, which already produces a disproportionate share of top-20 singles and doubles players.
Who are Karolina Muchova and Jakub Mensik?
Muchova, 29, is one of the more elegant movers on the WTA tour. She reached the French Open final in 2023, pushing Iga Swiatek before falling in three sets, and has had a career shaped as much by long injury layoffs as by big results. When healthy, she is a genuine top-10 threat with a game built on touch, variety and an all-court instinct that translates well to doubles.
Mensik is the younger half of this pairing and, in some ways, the more surprising name at a mixed doubles trophy ceremony. The Czech, still only in his early twenties, announced himself on the big stage by winning the Miami Open in 2025, beating Novak Djokovic in the final to claim his first Masters 1000 title. He is known for a huge serve and a game suited to fast, low-margin matches — exactly the kind of tennis the new mixed doubles format rewards.
How did the Czech pair win the US Open mixed doubles title?
Muchova and Mensik entered as one of several marquee pairings assembled specifically for the event’s short, sharp format. Matches in this version of the competition are played as best-of-three sets with no-ad scoring and a deciding match tiebreak instead of a full third set, which keeps each tie under an hour and makes the whole draw watchable in a single afternoon session.
The Czechs navigated that compressed format well, reportedly dropping just one set across the tournament before closing out the final in straight sets. Their run leaned on Mensik’s serve holding up under pressure and Muchova’s return game and net skills setting up the finishing points — a fairly classic mixed doubles blueprint, but executed with more polish than most of the field could match.
What is the new US Open mixed doubles format, and why does it matter?
The US Open shook up its mixed doubles event in 2025, cutting the field to 16 teams, scheduling it in the week before the singles tournament begins, and actively recruiting top singles stars rather than leaving the draw to specialist doubles players. The idea, borrowed loosely from exhibition tennis, was to make mixed doubles must-watch television again — something it had largely stopped being for casual fans. You can read more about the tournament’s history on the official US Open Wikipedia page, which tracks how the event has evolved over the decades.
Here is a quick snapshot of how the format compares with the old-style mixed doubles event:
| Feature | Old US Open mixed doubles | Revamped format (2025 onward) |
| Field size | 32 teams | 16 teams |
| Scheduling | Played during main draw week | Played the week before the singles draw |
| Scoring | Standard best-of-three | No-ad scoring, match tiebreak decider |
| Player profile | Mostly doubles specialists | Mostly top singles stars invited as pairs |
| Prize purse | Modest, doubles-scale payouts | Roughly $1 million total pool |
That prize pool matters. Historically, mixed doubles has been treated as an afterthought by top singles players, who skip it to save their legs for the main event. Attaching serious money and television slots to the tournament, alongside big names like Muchova and Mensik, is a deliberate attempt to change that calculation.
Why did Muchova and Mensik pair up?
Neither player has built a career around doubles. Muchova has occasionally partnered in doubles at smaller events, and Mensik is almost exclusively a singles player. Their pairing reflects the new US Open mixed doubles approach of matching compatible nationalities and personalities rather than doubles rankings — a Czech-Czech team travelling and training together already has natural chemistry that a hastily assembled pair might lack.
What does this win mean for Czech tennis?
Czech tennis has quietly become one of the deepper systems in world tennis, producing a steady stream of top-50 men and women across singles and doubles for over a decade. Names like Petra Kvitova, Barbora Krejcikova and Tomas Berdych set the template; Muchova and Mensik are simply the latest products of that pipeline. A US Open mixed doubles title, even in a shortened exhibition-adjacent format, adds another Grand Slam line to both players’ resumes and gives Czech tennis fans a rare doubles moment to celebrate alongside the country’s usual singles success.
How does this compare to India’s mixed doubles legacy?
For Indian tennis followers, mixed doubles success at Grand Slams is not a novelty — it is a well-worn tradition. Sania Mirza built a Hall of Fame career partly on mixed doubles Slam titles, and Rohan Bopanna became the oldest man to top the doubles rankings partly on the back of strong Grand Slam doubles runs. India has never had a marquee pairing like Muchova-Mensik in the revamped US Open mixed doubles event so far, but the format’s growing prize money and visibility could eventually tempt a top Indian singles player to try their hand at it, much as it has drawn stars from other tennis nations this year.
FAQ
Who won the US Open mixed doubles title in 2026?
Czech pair Karolina Muchova and Jakub Mensik won the 2026 US Open mixed doubles title, played in the week before the main singles draw at Flushing Meadows.
Is the US Open mixed doubles format different now?
Yes. Since 2025, the US Open mixed doubles event uses a 16-team field, no-ad scoring, a match tiebreak instead of a full deciding set, and is scheduled before the singles tournament rather than during it.
Has Karolina Muchova won a Grand Slam before?
She reached the French Open singles final in 2023 but lost to Iga Swiatek; the US Open mixed doubles title is among her biggest team titles to date.
What is Jakub Mensik best known for?
Mensik is best known for winning the 2025 Miami Open, beating Novak Djokovic in the final for his first ATP Masters 1000 title, before adding this US Open mixed doubles win to his résumé.
Why do top singles players now play US Open mixed doubles?
The event now carries a bigger prize purse, prime-time scheduling before the main draw, and higher visibility, making it worthwhile for singles stars who previously skipped mixed doubles entirely.
Conclusion
Muchova and Mensik’s US Open mixed doubles win is a small but telling sign of how the event has changed. What was once a sideshow is now pulling in genuine singles stars, and Czech tennis has another title to show for it.