Australian Julian Wilson has won the Pipeline Masters and surfing's Triple crown by beating new world champion Gabriel Medina in the final.

Wilson has shaded Brazilian Medina 19.63 to 19.20 in a high-scoring final.

The 26-year-old Queenslander scored 9.93 on his first wave, but Medina led for much of the final after posting a perfect 10 followed by an 8.83, with his second and third waves.

In a dramatic climax, each man pulled out a big score with their final wave.

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Wilson recorded a 9.70 and his win was confirmed a few seconds later, as Medina's final wave scored a 9.20.

Medina earlier clinched his nation's first men's world surfing title after Australia's Mick Fanning was eliminated in the fifth round.

He was joined by three Australians in the semi-finals, where he beat Josh Kerr 13.60 to 9.43 and Wilson scored a 13.16 to 3.17 win over Adrian Buchan.