Mandatory Credit: Photo by Rob Prange/Shutterstock (11888299w) Katerina Siniakova & Barbora Krejcikova of the Czech Republic with their campions trophies after winning the doubles final of the 2021 Mutua Madrid Open WTA 1000 tournament Mutua Madrid Open, Tennis, La Caja Magica, Madrid, Spain - 08 May 2021