Sri Lanka is staring down the barrel at 44-3 after Australia achieved its largest ever total in Asia — 654-6 declared — on day two of the first test in Galle.

Australia's Usman Khawaja struck a maiden double hundred and Josh Inglis got a century on his test debut against Sri Lanka to power the tourists to a mammoth 654 for six before they declared their first innings on day two of the opening test on Thursday.

Australia’s batters have feasted on Sri Lanka’s bowling, racking up milestones and dominance on a rain-curtailed opening day of the first test in Galle.

Opener Usman Khawaja's first double century and a ton on debut by Josh Inglis helped Australia to 654-6 declared on day two of the first match against Sri Lanka on Thursday. The 38-year-old struck his 16th Test ton on day one and resumed on 147 before becoming the first Australian batsman to make a double ton in Sri Lanka.