Results from day three of the Australian Open at Melbourne Park on Wednesday: Men's singles 2nd rd Felix Auger-Aliassime (CAN x20) bt James Duckworth (AUS) 6-4, 6-1, 6-2 Aslan Karatsev (RUS) bt Egor Gerasimov (BLR) 6-0, 6-1, 6-0 Diego Schwartzman (ARG x8) bt Alexandre Muller (FRA) 6-2, 6-0, 6-3 Women's singles 2nd rd Hsieh Su-Wei (TPE) bt Bianca Andreescu (CAN x8) 6-3, 6-2 Marketa Vondrousova (CZE x19) bt Rebecca Marino (CAN) 6-1, 7-5 Sorana Cirstea (ROM) bt Petra Kvitova (CZE x9) 6-4, 1-6, 6-1 Zarina Dyas (KAZ) bt Bernarda Pera (USA) 6-4, 3-6, 6-3 Aryna Sabalenka (BLR x7) bt Darya Kasatkina (RUS) 7-6 (7/5), 6-3 Ann Li (USA) bt Alize Cornet (FRA) 6-2, 7-6 (8/6) Anastasia Potapova (RUS) bt Timea Babos (HUN) 6-2, 6-4 Serena Williams (USA x10) bt Nina Stojanovic (SRB) 6-3, 6-0 afp