Victorian Marc Leishman won the 2008 Victorian PGA Championship after master-blaster Kurt Barnes self-destructed on the difficult finishing stretch at Sanctuary Lakes.

Barnes led by two shots with just three holes remaining but bogeyed all of them to hand the title to a relieved Leishman, who closed with a seven-under-par 65.

The unexpected victory for the 24-year-old from Warrnambool was his fifth as a professional but the first in his home state.

The win was even more special given Leishman had finished in the placings in this event at his last three attempts.

"The win was certainly unexpected," said the tall right-hander who now heads to Sydney for British Open pre-qualifying on Tuesday at the Lakes Golf Club.

"But it was even better having mum and dad here as well as a few other friends from home."

Understandably, Barnes was devastated to lose after seemingly having the action-packed tournament at his mercy.

Two eagles and four birdies in a nine-hole stretch from the fourth to the 12th holes looked to have sealed the deal for the 26-year-old from the Hunter Valley in NSW.

But that was before he overshot the 16th green with a wedge, three-putted the 17th and plugged his approach with a mid-iron in a greenside bunker on the final hole.

"I can't explain what happened," said Barnes, who closed with a 67 despite suffering such a late meltdown.

"That's golf. It's not the first time this kind of thing has happened and it won't be the last either.

"The key for me is to take the positives out of the week and that's exactly what I'll do."

Barnes eventually settled for a second-place tie with another Victorian, Cameron Percy, at 18-under-par.

Percy, a 33-year-old from Warragul and former winner of the tournament, shot a brilliant final round of 63 - one shot from the course record set by Barnes last year - but eventually ran out of holes.

Queenslander Shane Tait finished outright fourth with consistent rounds of 69, 69, 69 and 67.

Leishman is considered by many good judges to be one of the most promising young golfers in Australia.

And he is looking at 2008 as a launch pad on to the international stage.

After travelling to Sydney he competes in two Nationwide Tour events - one in New Zealand and the other at Moonah Links on the Mornington Peninsula.

The Johnnie Walker tournament in India is the final leg of his month-long golfing odyssey.

"I am confident I can compete anywhere when I'm playing well," he said.

"I'm now working just to fine-tune my game, making a few little changes. And getting my putting average down by one shot around will help too."

Leighton Lyle, the amateur brother of Tour player Jarrod, showed plenty of class in finishing in a tie for eighth at 10-under.