Scotland's David Law produced a spectacular finish to overhaul long-time leader Wade Ormsby and win his first European Tour title at the ISPS Handa Vic Open.
Law was three shots behind as he stood on the 16th tee at 13th Beach Golf Club, but made a birdie there and then produced a stunning second to eight feet on the par-five 18th to set up an eagle.
That put him in a share of the lead with Ormsby at 18 under and when the home favourite made a double-bogey on the 17th, he needed an eagle of his own on the last to force a play-off.
The 38-year-old gave himself a putt from the fringe for a three but could only make a birdie and Challenge Tour graduate Law secured a one-shot victory over Ormsby and Brad Kennedy in just his 18th European Tour appearance.
South Africa's Justin Harding finished fourth on 16 under with Scotland's David Drysdale and Australians Jason Scrivener and David Bransdon a shot further back.
The victory represents a remarkable turnaround on the course for Law, who was on the brink of taking on other work over the winter before winning last season's SSE Scottish Hydro Challenge and finishing 14th on the Challenge Tour to earn a European Tour card.
Law had also called a penalty on himself on the ninth after accidentally causing his ball to move on the green, but regrouped immediately to birdie the next two holes in a back nine of 31.
"It's massive," the 27-year-old from Aberdeen said. "It's not something I expected. For me just being out here playing on the European Tour was enough.
"I've been loving the four events I've played so far and to just be a European Tour player was what I was happy with. To have won today, it sort of changes things a little bit. I'll go home, reflect a little bit on things and reassess.
"I had to call a penalty on myself on the ninth hole, my ball moved when I went into the putt. Walking to the 10th tee me and my caddie Max just said 'Reset, try and keep calm', and luckily we did.
"We said we were going to try to finish three-two-four in the hope that we could get a top-three finish. Then birdie 16, par 17, and going down the last we said we need eagle. We make eagle, we post 18 under, you never know what can happen."
The tournament is co-sanctioned by the European Tour and LPGA Tour and features men and women playing on the same courses at the same time, for equal prize money.
In the women's event, France's Celine Boutier carded a closing 72 to claim a two-shot victory over England's Charlotte Thomas and local favourites Sarah Kemp and Su Oh.
Kemp surged through the field with a final round of 65 and Thomas returned a 69, while Oh could only manage a 74 and overnight leader Kim Kaufman slumped to a 78 to finish four shots adrift.