Key matches (AEDT)
Rod Laver Arena
11.00am | Katerina Siniakova (CZE) v Coco Gauff (USA)
Followed by | Yue Yuan (CHN) v Maria Sakkari (GRE)
Not before 2.30pm | Rafael Nadal (ESP) v Jack Draper (GBR)
7pm | Iga Swiatek (POL) v Jule Niemeier (GER)
Followed by | Marcos Giron (USA) v Daniil Medvedev
Margaret Court Arena
Afternoon | Sofia Kenin (USA) v Victoria Azarenka
7pm | Stefanos Tsitsipas (GRE) v Quentin Halys (FRA)
John Cain Arena
Afternoon | Alison Van Uytvanck (BEL) v Petra Kvitova (CZE)
Not before 3pm | Sebastian Baez (ARG) v Jason Kubler (AUS)
Not before 6pm | Vasek Pospisil (CAN) v Felix Auger-Alliassime (CAN)
KIA Arena
11am | Anna Kalinskaya v Danielle Collins (USA)
Followed by | Daniel Altmaier (GER) v Frances Tiafoe (USA)
Not before 3pm | Xinyu Wang (CHN) v Storm Hunter (AUS)
1573 Arena
11am | Emma Radacanu (GBR) v Tamara Korpatsch (GER)
Afternoon | Alex Molcan (SVK) v Stan Wawrinka (SUI)
Court 3
Afternoon | John Millman (AUS) v Marc-Andrea Huesler (SUI)
Court 8
11am | Polina Kudermetova v Olivia Gadecki (AUS)
Afternoon | Yannick Hanfmann (GER) v Rinky Hijikata (AUS)
#Thanasi #Kokkinakis #swipes #Nick #Kyrgios #criticism #Rafael #Nadal #Daniil #Medvedev #Stefanos #Tsitsipas #action