For the first time in history a WTA 1000 and Masters 1000 uses an electronic line calling system on #Clay. The new era of tennis has arrived. @MutuaMadridOpen #RealBounce #NotEstimations #ExtremeAccuracy #MMOPEN pic.twitter.com/XQaKxtN0iI
— Foxtenn (@Foxtennofficial) April 29, 2021