Results from ATP/WTA Miami Open on Tuesday: Women 1st rd Laura Siegemund (GER) bt Christina McHale (USA) 6-3, 7-5 Zarina Diyas (KAZ) bt Venus Williams (USA) 6-2, 7-6 (12/10) Barbora Krejcikova (CZE) bt Anna Blinkova (RUS) 6-1, 3-6, 6-3 Magda Linette (POL) bt Robin Montgomery (USA) 6-1, 3-6, 6-0 Nadia Podoroska (ARG) bt Mayar Sherif (EGY) 6-3, 6-1 Shelby Rogers (USA) bt Madison Brengle (USA) 6-3, 6-3 Wang Xinyu (CHN) bt Rebecca Peterson (SWE) 6-2, 6-2 Kaia Kanepi (EST) bt Lauren Davis (USA) 6-3, 7-5 Paula Badosa (ESP) bt Jil Teichmann (SUI) 5-6 abandon Arantxa Rus (NED) bt Marie Bouzkova (CZE) 6-3, 6-2 Sorana Cirstea (ROM) bt Katrina Scott (USA) 6-2, 6-2 Ajla Tomljanovic (AUS) bt Anastasia Potapova (RUS) 7-5, 6-0 afp