Marc Leishman is eyeing off a maiden PGA Tour majors victory in 2020

And the first step is finding some early winning form, starting with ending Australia's 15-month winless streak on the USA PGA Tour.

Leishman is one of six Aussies playing at the Sony Open in Hawaii, the first full-field event of 2020, on Friday morning.

Joining him in this week's tournament are countrymen Cameron Smith, Rhein Gibson, Matt Jones, Cameron Percy and Cameron Davis.

They have all pledged to donate money to Australia's bushfire appeal based on birdies and eagles they make.

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The PGA Tour has committed to match any figures raised by any player in the Sony Open field up to $US125,000.

For world No.28 Leishman, Oahu's Waialae Country Club is a great place to strive for a fifth US Tour title as it suits his shot-making game.

"I love this course and how much shot-shaping it requires in the wind," he told AAP.

The 36-year-old likes his chances of joining countrymen Adam Scott and Jason Day as a major champions.

"I really feel I can win a major, this year," he said.

"If I can contend in at least two different majors on the Sunday afternoon, that will give me a good chance at getting one."

Along with the Masters at Augusta National, this year's majors head to California's TPC Harding Park (US PGA Championship), New York's Winged Foot (US Open) and England's Royal St George's (British Open).

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