Katerina Siniakova

Kateřina Siniaková, born 10 May 1996 in Hradec Králové, is a Czech professional tennis player. She has been active since 2012, turning professional around age 16, and has spent 14 years on the tour. Standing 5'9" with an athletic build, she pairs blonde hair with blue eyes. A nine-time Grand Slam champion, she was the world number one in doubles from 2018 to 2023, holding the top ranking for 115 weeks across four seasons, which ranks sixth in WTA history. At the 2020 Summer Olympics, she and Barbora Krejcikova won the women's doubles gold medal, earning the Czech Republic's first Olympic tennis gold. Together, they triumphed at the French Open (2018, 2021), Wimbledon (2018, 2022), the Australian Open (2022, 2023), and the 2021 WTA Finals. Their US Open 2022 title completed a career Grand Slam, a career Gold Slam, and made them the first women's pair to complete a career Super Slam. They also became the fifth Open Era pair with at least seven Grand Slam titles. As undefeated finalists, they finished runners-up at the 2018 and 2022 WTA Finals and at the 2021 Australian Open. Siniaková added an eighth doubles Grand Slam with Coco Gauff at the 2024 French Open and a ninth with Taylor Townsend at Wimbledon. She also won the mixed doubles title with Tomáš Macháč at the Paris 2024 Olympics. She is 30 years old. Her career includes 14 years of professional play.