Results on day five of the Australian Open Grand Slam at Melbourne Park on Friday (x denotes seeding): Men's singles 3rd rd Tennys Sandgren (USA) bt Sam Querrey (USA) 6-4, 6-4, 6-4 Fabio Fognini (ITA x12) bt Guido Pella (ARG x22) 7-6 (7/0), 6-2, 6-3 Marton Fucsovics (HUN) bt Tommy Paul (USA) 6-1, 6-1, 6-4 Milos Raonic (CAN x32) bt Stefanos Tsitsipas (GRE x6) 7-5, 6-4, 7-6 (7/2) Marin Cilic (CRO) bt Roberto Bautista (ESP x9) 6-7 (3/7), 6-4, 6-0, 5-7, 6-3 Diego Schwartzman (ARG x14) bt Dusan Lajovic (SRB x24) 6-2, 6-3, 7-6 (9/7) Novak Djokovic (SRB x2) bt Yoshihito Nishioka (JPN) 6-3, 6-2, 6-2 Women's singles 3rd rd Ashleigh Barty (AUS x1) bt Elena Rybakina (KAZ x29) 6-3, 6-2 Alison Riske (USA x18) bt Julia Goerges (GER) 1-6, 7-6 (7/4), 6-2 Maria Sakkari (GRE x22) bt Madison Keys (USA x10) 6-4, 6-4 Petra Kvitova (CZE x7) bt Ekaterina Alexandrova (RUS x25) 6-1, 6-2 Cori Gauff (USA) bt Naomi Osaka (JPN x3) 6-3, 6-4 Ons Jabeur (TUN) bt Caroline Wozniacki (DEN) 7-5, 3-6, 7-5 Wang Qiang (CHN x27) bt Serena Williams (USA x8) 6-4, 6-7 (2/7), 7-5 afp