Lleyton Hewitt and Sam Stosur lead the Aussie charge Thursday night from the Australian Open live on Channel 7 and 7TWO from 7pm AEDT.
Hewitt faces German Benjamin Becker first up on court, having beaten him once in three sets in 2010 and once in straight sets in 2009.
Stosur takes on American Coco Vandeweghe, who had the better of her last year at the Miami Masters going down 5-7, 7-5, 7-5. However, Stosur has beaten her before back in 2011 on her way to winning the US Open.
Also in action on Seven on Thursday night will be two-time Australian Open winner Victoria Azarenka battling Caroline Wozniacki and big-serving Canadian Milos Raonic against American Donald Young.
During the day, world no. 1 Novak Djokovic, defending champion Stan Wawrinka, five–time Australian Open winner Serena Williams, Aussie no. 29 seed Casey Dellacqua, new Australian Ajla Tomljanovic and the uber cool Frenchman Gael Monfils will all be on court.
THURSDAY 22 JANUARY
NIGHT televised feature matches from 7pm AEDT to include:
HEWITT, Lleyton (AUS) vs BECKER, Benjamin (GER)
STOSUR, Samantha (AUS)  vs VANDEWEGHE, Coco (USA)
AZARENKA, Victoria (BLR) vs WOZNIACKI, Caroline (DEN) 
YOUNG, Donald (USA) vs RAONIC, Milos (CAN) 
JANOWICZ, Jerzy (POL) vs MONFILS, Gael (FRA)  – not before 5.30pm AEDT
DAY televised feature matches to include:
WILLIAMS, Serena (USA)  vs ZVONAREVA, Vera (RUS)
DJOKOVIC, Novak (SRB)  vs KUZNETSOV, Andrey (RUS)
WAWRINKA, Stan (SUI)  vs COPIL, Marius (ROU)
DELLACQUA, Casey (AUS)  vs KEYS, Madison (USA)
TOMLJANOVIC, Ajla (AUS) vs LEPCHENKO, Varvara (USA)