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

Pink plate block

Werner Borkhardt Bob Berry Georgina Carnegie Candy Forrester Wins Net
Hoops
#
Werner Borkhardt (Byron Bay) 7 won 6 lost 7 won 2 5 =1
Bob Berry (Chatswood) 5 lost 4 lost 7 won 1 -3 =3
Georgina Carnegie (Royal Sydney Golf Club) 7 won 7 won 4 lost 2 1 =1
Candy Forrester (Cooks River) 3 lost 5 lost 7 won 1 -3 =3

There is no known tie break method.