Muchova and Mensik Win Their First Grand Slam Titles at the US Open

Karolina Muchova and Jakub Mensik celebrate their US Open mixed-doubles championship.

Muchova and Mensik win their first Grand Slam titles after surviving the sharp momentum swings of the US Open mixed-doubles final. Karolina Muchova and Jakub Mensik defeated Belinda Bencic and Flavio Cobolli 6-3, 1-6, [10-6] at Arthur Ashe Stadium.

The Czech pairing controlled the opening set with cleaner first-strike tennis and confident work at the net. Muchova's variety created uncomfortable exchanges, while Mensik supplied enough pace to keep Bencic and Cobolli from settling into the points they wanted.

The match changed dramatically in the second set. Bencic and Cobolli tightened their patterns and raced through a 6-1 response, forcing the championship into a match tiebreak. The format leaves little room for a slow reset, turning every return and missed first serve into immediate pressure.

Muchova and Mensik handled that moment better. They built the separation needed to reach 10 points first and closed the tiebreak 10-6. The victory delivered a first major trophy for each player, adding a new career milestone before the singles tournament moved deeper into its opening week.

Mixed doubles can reveal instincts that singles results do not always show. Communication, quick reactions and trust become essential because the match can change in only a few exchanges. The champions found that balance after losing the second set rather than carrying frustration into the breaker.

Their title also adds another layer to a US Open already producing crossover stories around the sport, including Frances Tiafoe's recent all-American run. The result gives both players momentum for the singles stage and a permanent place in the tournament's 2026 history. For Muchova and Mensik, the significance is simpler: two first-time Grand Slam champions found the right partnership and completed the final under the brightest court in New York.