Australian Troy Brooks has claimed his first professional victory at the Vans Hawaiian Pro, the first jewel in the prestigious Triple Crown of Surfing.

Brooks pocketed $US15,000 ($A20,800) after battling choppy 1-to 1.5-metre waves at Haleiwa Beach along Oahu's North Shore.

"This is the best day of my life," Brooks said. "I never could have imagined this was how it was going to finish. I don't know what to say. I've never felt this before."

Armando Daltro of Brazil was second, followed in order by Jake Paterson of Australia and Brazilian Neco Padaratz.

World ratings leader Kelly Slater of Florida and defending world champion Andy Irons of Hawaii were eliminated in the semi-finals.

The second event of the Triple Crown, the Rip Curl Cup, is slated to start Monday at Sunset Beach.

The Hawaiian Pro, a world qualifying series (WQS) event, is not part of the world championship tour (WCT) unlike the two other contests in the Triple Crown.

The Triple Crown and the WCT culminate with the Pipeline Masters on the North Shore next month.

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