Order of play on show courts at the Australian Open on Saturday, day six of the first Grand Slam of the year (x denotes seed): Rod Laver Arena 11:00 am (0000 GMT) Karolina Muchova (CZE x25) v Karolina Pliskova (CZE x6) Filip Krajinovic (SRB x28) v Daniil Medvedev (RUS x4) Belinda Bencic (SUI x11) v Elise Mertens (BEL x18) 7:00 pm (0800 GMT) Anett Kontaveit (EST x21) v Shelby Rogers (USA) Cameron Norrie (GBR) v Rafael Nadal (ESP x2) Margaret Court Arena 11:00 am Yulia Putintseva (KAZ x26) v Elina Svitolina (UKR x5) Kaia Kanepi (EST) v Donna Vekic (CRO x28) Andrey Rublev (RUS x7) v Feliciano Lopez (ESP) 7:00 pm Ashleigh Barty (AUS x1) v Ekaterina Alexandrova (RUS x29) Fabio Fognini (ITA x16) v Alex De Minaur (AUS x21) John Cain Arena 12:00 pm (0100 GMT) Jessica Pegula (USA) v Kristina Mladenovic (FRA) Jennifer Brady (USA x22) v Kaja Juvan (SLO) Stefanos Tsitspias (GRE x5) v Mikael Ymer (SWE) 5:00 pm Karen Khachanov (RUS x19) v Matteo Berrettini (ITA x9) 1573 Arena 11:00 am Casper Ruud (NOR x24) Radu Albot (MDA) afp