At Mackey Park, Tempe and also at Royal Sydney Golf Club. Probably 4 qualifying blocks followed by a best-of-3 knockout, plus consolation events.
https://portal.revolutionise.com.au/cnsw/events/319519

NSW GC Open Singles Championship

Black block

Mark Scruton Chris Williamson Stephen Burns Simon Cook Alexander Michalak Georgina Carnegie Rodney Peet Aniko Osvald Wins Net
Hoops
#
Mark Scruton (Canberra) 7 won 5 lost 7 won 5 lost 7 won 4 won 7 won, withdrawn 4 10 =1
Chris Williamson (Toronto) 3 lost 7 won 7 won 6 lost 7 won 7 won 4 lost, withdrawn 4 12 =1
Stephen Burns (Cooks River) 6 won 3 lost 4 lost 7 won 7 won 5 lost 3 -4 =3
Simon Cook (Coutts Crossing) 3 lost 2 lost 7 won 6 lost 7 won 7 won 3 1 =3
Alexander Michalak (Newcastle National Park) 6 won 7 won 5 lost 7 won 6 lost 5 lost 3 -1 =3
Georgina Carnegie (Royal Sydney Golf Club) 4 lost 3 lost 5 lost 3 lost 7 won 7 won 7 won, withdrawn 2 -11 =6
Rodney Peet (Maitland) 3 lost 3 lost 7 won 3 lost 6 won 6 lost 2 -7 =6
Aniko Osvald (Manly) withdrawn 6 lost, withdrawn 7 won, withdrawn 6 lost, withdrawn 0 0

There is no known tie break method.