Australia's Mitchell Starc claimed five wickets as the West Indies were bundled out for just 70 on their way to an embarrassing defeat in the first One-Day International.

Australia made light of the feeble score — the West Indies' third-lowest ODI total — romping to victory in just 9.2 overs for the loss of one wicket.

Left-armer Starc snared five wickets for 20 runs as the tourists imploded after winning the toss and electing to bat in the first game of the five-match series.

The tourists' score was well short of Australia's 91 against the West Indies at the same venue in 1987, the previous lowest total at the WACA Ground.

(with inputs from AFP)