Dinesh Chandimal has scored an unbeaten 63 as Sri Lanka struggled to 136-5 at lunch on Day 3 in reply to Australia's imposing first innings of 654 in the first cricket test.

The rainy weather conditions have given Australia a selection problem for the opening test against Sri Lanka starting Wednesday, although one thing seems certain: Travis Head will open the batting

The 35-year-old, captaining the side in the absence of Pat Cummins, needed just one run in Galle to reach the milestone in Galle.

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 skipper Steve Smith won the toss and elected to bat first in the first Test of the two-match series against Sri Lanka at the Galle International Stadium on Wednesday. Right-hand batter Josh Inglis is set to make his debut in the longest format of the game as the Baggy Greens named him in the playing XI for the first match of the series.

Steve Smith scored his 10,000th test run to put him in elite cricket company and Australia was 145-2 after winning the toss and batting Wednesday in the first test against Sri Lanka. Smith needed only one run Wednesday to achieve the milestone,