Answer
Barbora Krejčíková has won 2 WTA 1000 level doubles titles. Her first was the 2020 Italian Open, where she partnered with Kateřina Siniaková. They defeated Gabriela Dabrowski and Luisa Stefani in the final. Her second was the 2021 Dubai Tennis Championships, where she partnered with Elise Mertens. They defeated Ashleigh Barty and Demi Schuurs in the final.