MELBOURNE, Feb 12 (Reuters) - Order of play on the main showcourts on the sixth day of the Australian Open on Saturday (play begins at 0000 GMT, prefix number denotes seeding):
ROD LAVER ARENA
25-Karolina Muchova (Czech Republic) v 6-Karolina Pliskova (Czech Republic)
28-Filip Krajinovic (Serbia) v 4-Daniil Medvedev (Russia)
11-Belinda Bencic (Switzerland) v 18-Elise Mertens (Belgium)
From 0800 GMT
21-Anett Kontaveit (Estonia) v Shelby Rogers (U.S.)
Cameron Norrie (Britain) v 2-Rafa Nadal (Spain)
MARGARET COURT ARENA
26-Yulia Putintseva (Kazakhstan) v 5-Elina Svitolina (Ukraine)
Kaia Kanepi (Estonia) v 28-Donna Vekic (Croatia)
7-Andrey Rublev (Russia) v Feliciano Lopez (Spain)
From 0800 GMT
1-Ash Barty (Australia) v 29-Ekaterina Alexandrova (Russia)
16-Fabio Fognini (Italy) v 21-Alex de Minaur (Australia)
JOHN CAIN ARENA
From 0100 GMT
Jessica Pegula (U.S.) v Kristina Mladenovic (France)
22-Jennifer Brady (U.S.) v Kaja Juvan (Slovenia)
5-Stefanos Tsitsipas (Greece) v Mikael Ymer (Sweden)
Not before 0600 GMT
19-Karen Khachanov (Russia) v 9-Matteo Berrettini (Italy)