Collated results Tuesday from the WTA Gippsland Trophy and Yarra Valley Classic at Melbourne Park: Gippsland Trophy 2nd rd Laura Siegemund (GER x16) bt Destanee Aiava (AUS) 6-2, 6-2 Iga Swiatek (POL x6) bt Kaja Juvan (SLO) 2-6, 6-2, 6-1 Kaia Kanepi (EST) bt Aryna Sabalenka (BLR x4) 6-1, 2-6, 6-1 Darya Kasatkina (RUS) bt Polona Hercog (SLO x15) 6-4, 6-3 Elise Mertens (BEL x7) bt Mayo Hibi (JPN) 6-2, 6-2 Caroline Garcia (FRA x12) bt Timea Babos (HUN) 6-4, 6-4 Johanna Konta (GBR x5) bt Bernarda Pera (USA) 6-2, 6-3 Irina Begu (ROM) bt Aliaksandra Sasnovich (BLR) 5-7, 6-4, 6-4 Katie Boulter (GBR) bt Coco Gauff (USA x14) 3-6, 7-5, 6-2 Naomi Osaka (JPN x2) bt Alize Cornet (FRA) 6-2, 6-2 Yarra Valley Classic 2nd rd Ashleigh Barty (AUS x1) bt Ana Bogdan (ROM) 6-3, 6-3 Marie Bouzkova (CZE x16) bt Aliona Bolsova (ESP) 6-3, 6-7 (6/8), 6-2 Shelby Rogers (USA) bt Rebecca Peterson (SWE) 6-4, 5-7, 6-2 Vera Zvonareva (RUS) bt Caroline Dolehide (USA) 6-2, 6-4 Nadia Podoroska (ARG x14) bt Greet Minnen (BEL) 6-3, 6-4 Petra Kvitova (CZE x4) bt Venus Williams (USA) 7-6 (8/6), 7-5 Garbine Muguruza (ESP x6) bt Alison Van Uytvanck (BEL) 6-2, 6-0 Anastasia Pavlyuchenkova (RUS x11) bt Anastasija Sevastova (LAT) 6-0, 6-3 Jessica Pegula (USA) bt Mona Barthel (GER) 6-4, 7-5 Sofia Kenin (USA x2) bt Camila Giorgi (ITA) 7-5, 0-0 retired mp/leg