10:05 CET - Lucky loser Katerina Siniakova has progressed in Adelaide after beating Dayana Yastremska 6-0, 6-1 in less than an hour.

Siniakova gained another life after Sorana Cirstea withdrew from the tournament. Earlier, Yulia Putintseva also progressed in South Australia.

08:54 CET - Xinyu Wang has progressed to the second round in Hobart thanks to a convincing 6-2, 6-3 triumph over Talia Gibson, while qualifier Andrea Vavassori has stunned Gabriel Diallo 6-3, 7-6(4) in Adelaide.

08:49 CET - Hungary's Fabian Marozsan is through in Auckland after a comeback 5-7, 6-3, 6-4 win against defending champion Gael Monfils.

07:30 CET - Good morning and welcome to our coverage of Tuesday's tennis in Australia and New Zealand!

There's plenty to catch you up on from overnight, with former Wimbledon champion Marketa Vondrousova seeing off seventh seed Liudmila Samsonova in Adelaide 6-1, 4-6, 6-2, and Diana Shnaider claiming an impressive straight-sets victory over Leylah Fernandez.

Maya Joint, Kimberly Birrell and Tereza Valentova have also progressed in Adelaide, while on the men's side of the tournament, eighth seed Tomas Machac eased past James Duckworth 6-3, 6-3 in just 72 minutes.

Elsewhere, Tatjana Maria proved too strong for 45-year-old Venus Williams in Hobart, with the German prevailing 6-4, 6-3, while Peyton Stearns and Iva Jovic secured superb wins over Barbora Krejcikova and Janice Tjen, respectively.

Finally, in Auckland, Giovanni Mpetshi Perricard, Marcos Giron and Hamad Medjedovic have all moved through to the second round.

Check out the full schedule for tournaments in [lslink-league cms-href="https://www.flashscore.com/match/tennis/opelka-reilly-fqKkCJdJ/popyrin-alexei-fJjLpuNq/draw/?mid=b9oR2sfc" sport-id="2" tournament-template-id="A7pLCbj9" tournament-id="Ao7lGq0b" tournament-stage-id="Q5gSHpUH" season-id="185" target="summary"]Adelaide[/lslink-league] (ATP), [lslink-league cms-href="https://www.flashscore.com/match/tennis/badosa-paula-Wl76rX3I/bouzkova-marie-WMS3AdAb/draw/?mid=pnLHU5vo" sport-id="2" tournament-template-id="2Vqj6GEs" tournament-id="EwAxCP7O" tournament-stage-id="EPzzUjBO" season-id="185" target="summary"]Adelaide[/lslink-league] (WTA), [lslink-league cms-href="https://www.flashscore.com/match/tennis/gaston-hugo-hGqnSub7/norrie-cameron-pvzhJGY8/draw/?mid=A9WQerwp" sport-id="2" tournament-template-id="ETTjiMRJ" tournament-id="tWl6C1aN" tournament-stage-id="t2ogzSqn" season-id="185" target="summary"]Auckland[/lslink-league] (ATP) and [lslink-league cms-href="https://www.flashscore.com/match/tennis/li-ann-rwvAgOWm/volynets-katie-vw1oqIPi/?mid=dAd3bsbk" sport-id="2" tournament-template-id="CODZc7TD" tournament-id="SWQkHFak" tournament-stage-id="MXWbWnhR" season-id="185" target="summary"]Hobart[/lslink-league] (WTA) via the links.