Katerina Siniakova is a Czech tennis player specializing in doubles, with multiple Grand Slam titles and a key role in Russia’s golden era of doubles.
Williams and Alcaraz have exited the US Open mixed doubles in a star-powered campaign reshaped format; Muchova/Mensik win the title as doubles specialists struggle to match the singles-hero spotlight.
The Williams sisters have been granted a wildcard to compete in the US Open doubles, reuniting after their last New York appearance in 2022. Serena has returned to tennis this summer and will not play singles, while Venus is entering singles and doubles as she pursues a continued comeback. The duo will begin their campaign in New York in early September, with the doubles final scheduled for 11 September.