Kateřina Siniaková secured a career Grand Slam in women’s doubles alongside Taylor Townsend at the US Open, cementing her position in tennis history with her 12th major title and 200th week as the world’s top-ranked doubles player.
US Open Victory and Career Grand Slam Milestone
Kateřina Siniaková and her American partner Taylor Townsend claimed the US Open title by defeating the local pair Robin Montgomery and Ashlyn Krueger 5:7, 6:0, 6:2 at Flushing Meadows. Siniaková achieved a career Grand Slam with two different partners, having previously accomplished the feat with Barbora Krejčíková. Siniaková noted that the New York crowd favored their home players during the final.
Chasing Martina Navrátilová’s Record
Following the tournament in New York, Siniaková celebrated her 200th week at the summit of the WTA doubles rankings, moving past Liezel Huber into second place on the all-time list. Martina Navrátilová holds the record at 237 weeks. Siniaková remarked to reporters in Prague that while the milestone looks close, the remaining 37 weeks will take time to accumulate.
Adaptability and Partnership Dynamics
Siniaková described herself as a “chameleon” capable of adapting to different partners on the court, pointing to this flexibility as a key factor in her success across various pairings. Siniaková confirmed that she and Townsend will not play together during the upcoming Asian swing because Townsend needs a specific schedule to secure direct entry into the Australian Open.
Upcoming Team Competitions and Goals
Siniaková turns her focus to team play, preparing to travel to China for the Billie Jean King Cup alongside teammates Linda Nosková, Karolína Muchová, Marie Bouzková, and Sára Bejlek. Beyond the team tournament and upcoming matches in Asia, Siniaková aims to qualify for the WTA Finals with Townsend, noting that the season-ending championship remains a target for the pair.
Pro Tip: Understanding Doubles Rankings
Frequently Asked Questions
How many Grand Slam titles does Kateřina Siniaková have?
Kateřina Siniaková has won 12 Grand Slam titles in women’s doubles.

Who did Siniaková partner with to win the US Open?
She won the US Open women’s doubles title with American player Taylor Townsend.
How many weeks has Siniaková spent as the world’s number one doubles player?
She has spent 200 weeks at the top of the WTA doubles rankings, trailing only Martina Navrátilová’s record of 237 weeks.
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