Galle, Jan. 30 -- A maiden double hundred by Usman Khawaja and terrific centuries from Steve Smith and Josh Inglis helped Australia end the second day of the first Test against Sri Lanka on a high, posting their highest-ever total in Asia at Galle on Wednesday.

At the end of the day's play, Sri Lanka was 44/3, with Dinesh Chandimal (9*) and Kamindu Mendis (13*) unbeaten in reply to Australia's 654/6 declared in the first innings. They trailed by 610 runs.

Australia started the day at 330/2, with Usman Khawaja (130*) and Steve Smith (104*) unbeaten on the crease.

Khawaja and Smith offered no respite to Sri Lankan bowlers, soon bringing up their 200-run partnership and Khawaja reaching 150 runs in 223 balls, with 10 fours and a six.

Nis...