The Aussie contingent enjoyed a perfect day two at the Indian Wells Masters, with all four singles competitors progressing to the next round with strong wins.
Ash Barty, Alexei Popyrin, Alex Bolt and Daria Gavrilova all emerged victorious, with the latter even knocking off a seeded opponent in straight sets.
Australia's highest ranked player in Barty also got the job done in two, the 12th-seeded getting past Germany's Tatjana Maria 6-4 6-4
MORE: World No.1 Novak Djokovic looking forward to potential Nick Kyrgios match-up
The Queenslander didn't have it all her own way however, finding herself on the wrong end of three breaks of serve, though she did claim five of her own.
She will now take on Amercian Jennifer Brady in the round of 32, with the pair yet to meet on the tour.
Fellow Aussie Daria Gavrilova scored a big 6-2 6-2 win over Romanian 29th seed Mihaela Buzarnescu.
'Dasha' took five of nine break point opportunities and after a slow start to the year progresses into a meeting with the winner of a clash between sixth-seed Elina Svitolina and Sofia Kenin.
The Sydnersider sets up a second-round meeting with big-serving American eighth seed John Isner.
Finally, Alex Bolt overcame Latvian veteran Ernests Gulbis 6-3 7-5 6-2.
A second-round meeting with Argentine 32nd seed Guido Pella awaits the 26-year-old South Australian.
In other big results from California, Serena Williams overcame Victoria Azarenka 6-3 7-5, while fourth-seed Sloane Stephens was rolled by Switzerland's Stefanie Voegele 6-3 6-0.
