sentences:  The winner receives the "Joe Kirkwood Cup", given by Australian golfer Joe Kirkwood, Sr. and first presented to Rufus Stewart in 1929.The event was a match-play event until 1963, but in 1964 the tournament changed its format to 72-hole stroke-play.It has been played in that format to the current day, with the exception of 1973 when it reverted to match-play for a single season.