Collated results on day 13 of the Australian Open Grand Slam at Melbourne Park on Saturday (x denotes seeding): Women's singles Final Sofia Kenin (USA x14) bt Garbine Muguruza (ESP) 4-6, 6-2, 6-2 Mixed doubles Final Barbora Krejcikova/Nikola Mektic (CZE/CRO x5) bt Bethanie Mattek-Sands/Jamie Murray (USA/GBR) 5-7, 6-4, 10-1 afp