Aug 1 (OPTA) - Seeds Progress from the WTA Premier, Stanford Women's Singles matches on Tuesday .. Seeds .. Seed Round Rslt Opponent Score 1 Garbine Muguruza (ESP) 2nd to play Victoria Azarenka (BLR) (start 17:00) 1st won (Bye) 2 Madison Keys (USA) 2nd to play Ajla Tomljanovic (AUS) (start 17:00) 1st won (Bye) 3 Venus Williams (USA) 2nd to play Heather Watson (GBR) (start 17:00) 1st won (Bye) 4 Elise Mertens (BEL) 2nd to play Ashley Kratzer (USA) (start 17:00) 1st won (Bye) 5 Mihaela Buzarnescu (ROU) 2nd to play (start 17:00) 1st won Sachia Vickery (USA) 6-3 4-6 6-3 6 Serena Williams (USA) 1st to play Johanna Konta (GBR) (start 02:00) 7 Shuai Zhang (CHN) 1st lost Vera Lapko (BLR) 7-6(2) 6-0 8 Timea Babos (HUN) 2nd to play Maria Sakkari (GRE) (start 17:00) 1st won Kristina Mladenovic (FRA) 6-4 6-2 (Note : all times are GMT)