Siniaková's father and coach is a former boxer, which might explain where this Czech tennis star gets her badass playing style. She's won two singles and five doubles titles on the WTA Tour, as well as seven singles and four doubles titles on the ITF Women's Circuit. Partnering Barbora Krejčíková, she won the titles at the 2018 French Open and 2018 Wimbledon in women's doubles. At the 2019 French Open, she upset world No. 1 Naomi Osaka.
Read more about Katerina at Wikipedia.