Greg Chalmers closed with a five- under 67, to reach a playoff Sunday at the Australian PGA Championship.
Chalmers then parred the first extra hole to beat Marcus Fraser and Robert Allenby to win the title. Chalmers also won two weeks ago at the Australian Open.
Fraser shot three-under 69 and Allenby carded a 68 to join Chalmers at 12- under-par 276.
The trio returned to No. 18 at the Hyatt Regency Coolum and Chalmers made par to win for the fourth time on the Australasian Tour.
Chalmers had a bogey and six birdies, including back-to-back birdies at 16 and 17 to end at 12-under.
Fraser had three birdies and two bogeys through 12 holes. He birdied the 16th and 18th to get into the playoff.
Allenby was two-under for his round after 10 holes with four birdies and two bogeys. After a birdie at the par-five 15th, he birdied the last to get into the extra session.
Adam Scott (68) and Aaron Baddeley (72) shared fourth place at minus-10. Nick O'Hern (67), Marc Leishman (69) and Kyung-tae Kim (76) were one stroke back at nine-under-par 279. Kim, who led entering the final round, was the only non- Australian in the top eight on the leaderboard.
American Bubba Watson struggled to a 77 to slide into a share of 12th at minus-seven.