In #Miami, #Vondrousova, #Gracheva, #Andreescu (#Kenin), #Cirstea, #Alexandrova (#Bencic) and #Kvitova reach R4. #Krejcikova v. #Keys 6-6. #Gauff/#Pegula, #Linette/#Pera, #Kichenok/#Ostapenko, #Hunter/#Mertens are winners. @WTA #MiamiOpen