UPDATE 2-WTA Premier, San Jose Women's Singles Results

Aug 1 (OPTA) - Results from the WTA Premier, San Jose Women's Singles matches on Wednesday .. 1st Round .. Madison Brengle (USA) beat Andrea Petkovic (GER) 6-0 6-3 Bethanie Mattek-Sands beat Venus Williams (USA) 6-7(4) 6-3 6-1 (USA) .. 2nd Round .. 1-Elina Svitolina (UKR) beat Daria Kasatkina (RUS) 6-3 6-1 7-Maria Sakkari (GRE) beat Mayo Hibi (JPN) 4-6 6-4 6-2 2-Aryna Sabalenka (BLR) beat Coco Vandeweghe (USA) 6-3 6-3