This is a list of the main career statistics of professional Czech tennis player Kateřina Siniaková. To date, Siniaková has won three singles and twenty doubles titles on the WTA Tour, including six Grand Slam titles at the French Open and Wimbledon in 2018, the French Open again in 2021 and the Australian Open and Wimbledon again in 2022, alongside countrymate Barbora Krejčíková. By winning the 2022 US Open, Siniaková completed her career slam. She also became the No. 1 doubles player on 22 October 2018, while she achieved a career-high singles ranking of world No. 31 on the same day.