13:40 CET - That is where we leave you for the day, but be sure to come back tomorrow morning for more action from Adelaide, Hobart and Auckland!
12:20 CET - The final match of the day has come to an end in Adelaide after Jakub Mensik was able to complete his match and secure a 6-1, 3-6, 6-3 victory against Hamad Medjedovic.
11:25 CET - Ajla Tomljanovic has been forced to retire from her match in Adelaide despite racing into an early 2-0 lead against fellow Aussie Maya Joint. That brings a conclusion to the WTA action in Adelaide for the day.
11:00 CET - Just as Jakub Mensik was closing in on victory, the heavens opened and play has now been suspended in Adelaide.
10:35 CET - The top seed on the ATP side of Adelaide, Alejandro Davidovich Fokina, has safely booked his spot in the next round after a dominant 6-3, 6-2 victory against home player Rinky Hijikata.
09:30 CET - The penultimate match of the day in Adelaide has reached its conclusion as sixth seed Emma Navarro made light work of Yulia Putintseva to win 6-1, 6-4 and book her spot in the next round.
09:00 CET - The first major shock of the day comes from Auckland, where Hungarian Fabian Marozsan has stunned second seed Casper Ruud in straight sets to take a 6-4, 6-4 victory and move into the next round.
08:15 CET - Over to Adelaide and ninth seed Diana Shnaider has come through a battle against Katerina Siniakova to win 6-1, 2-6, 7-5 and book her place in the next round.
07:30 CET - Good morning and welcome back to another busy day of action from Adelaide, Hobart and Auckland.
First of all, we have a host of overnight results to bring you from all three tournaments, including action from the ATP and WTA versions of the Adelaide tournament.
On the men's side in Adelaide, there were victories for Jaume Munar, Ugo Humbert and Tomas Machac, whilst Tommy Paul won an all-American affair 6-4, 6-4 against Reilly Opelka to book his place in the next round.
On the women's side of the tournament, meanwhile, Jaqueline Cristian was victorious in the opening match of the session before Madison Keys cruised past Czech teenager Tereza Valentova 6-4, 6-1.
Over to the ATP Auckland event and after wins for Sebastian Baez and talented Italian Luciano Darderi, excting French youngster Giovanni Mpetshi Perricard came from a set down against fifth seed Cam Norrie to win 4-6, 6-3, 7-6 (4) in an epic battle.
Finally, from Hobart, the standout overnight winners were Emma Raducanu and rising star Iva Jovic.
Check out the full schedule for tournaments in Adelaide (ATP), Adelaide (WTA), Auckland (ATP) and Hobart (WTA) via the links.