Brooke Peris, Mariah Williams, Taliqua Clancy and Patty Mills have successfully kicked off their Paris campaigns registering wins at the weekend, while Maurice Longbottom has fallen just short of a medal in the men's Rugby Sevens.
The Hockeyroos will look forward to an assignment with Great Britain on Tuesday after grinding out a 2-1 result over South Africa on Sunday.
While neither Williams or Peris found the net with a shot apiece, their side with have time to build into their push at a medal facing Team GB and the United States ahead of critical games against more highly touted opposition in Argentine (FIH ranked #2) and Spain (#7) before the pool stages wrap ahead of the quarterfinals.
Williams was also sidelined for a short patch in the fourth quarter before Australia stuck in to pen a successful start.
In their last Olympic meeting in Rio, Great Britain took away 2-1 bragging rights over the Hockeyroos.
On Saturday, Patty Mills produced for the Boomers in what could prove a valuable result over Spain.
The 92-80 margin is a handy asset to take away from the contest, with Mills contributing 19 points - including 3-pointers in important moments.

After Spain clawed back to within six points with 45 seconds remaining, Mills added Australia's, and the match's, penultimate points sinking a triple before Dyson Daniels followed suit in the dying seconds to sure up the win.
Australia's men's side next meets Canada (9:30pm Tuesday AEST) before their final pool match against Greece on Friday.
Ally Wilson's Gangurrus will kick off their own tournament against Canada in the 3x3 Basketball early on Wednesday morning (AEST).
Our men's rugby sevens side walks away unlucky after progressing through to the medal matches across the opening days of competition.
After a strong performance in an 18-nil quarterfinal win over USA, playmaker and Dharawal man Maurice Longbottom closed his second Olympics just short of the podium after a tough 31-7 loss to Fiji in the semi finals before their Bronze medal match ended 26-19 in South Africa's favour on Saturday.
Home nation France clinched gold with a 28-7 win over Fiji.
Taliqua Clancy, with Mariafe Artacho del Solar, posted a 2-1 win in their opening match over Chinese duo Xue and Xia on Sunday.
Looking ahead (AEST)
- Williams and Peris (Hockeyroos) v Great Britain 1:00am Tuesday
- Taliqua Clancy, Beach Volleyball v USA's K. Nuss and T.Kloth 6:00am Tuesday
- Patty Mills (Boomers) v Canada 9:30pm Tuesday
- Callum Peters, Boxing (Men's 80kg) - Round of 16 from 12:15am Wednesday
- Ally Wilson (Gangurrus) - Opening match v Canada 2:00am Wednesday
- Abbey Connor, Swimming - Heat 3 Women's 200m Butterfly from 7:45pm Wednesday
- Marissa Williamson Pohlman, Boxing (Women's 66kg) - Round of 16 from 12:15am Friday
- Calab Law, Athletics - Men's 200m Heats from 3:55am Tuesday, August 6
- Connor Nicholas, Sailing (Mixed Dinghy) - from Friday evening