It is played at Lake Karrinyup Country Club in Perth, Western Australia.
It is one of the richest golf tournaments in Australia, with a A$1.6 million purse.
The top eight players receive byes, with the tiebreaker being the overall third round score, then the last nine, then six, then three, and then the final hole to break ties.
The first round includes the 16 players not receiving byes, randomly paired.
Consolation matches are played to determine third through eighth place.