@DziedBaradzied @WTA @SabalenkaA And Azarenka too https://t.co/HdF9iQVNOG

We need a light or something for close line calls to show when it’s out. Can’t hear the out call in the arena and sometimes it not obvious by player reactions. @AustralianOpen @_markpetchey @atptour @WTA @usopen @bgtennisnation @BenRothenberg @christophclarey