Australia are eyeing their most convincing Test win since last visiting Sri Lanka after enforcing the follow-on during a lethal start to day four of the series opener in Galle. Sri Lanka imploded under blue skies before going to lunch on Saturday at 3-75 in their second innings, still 414 runs behind Australia's mammoth total of 6-654 declared.

Sri Lanka were staring down the barrel of their worst-ever Test defeat Saturday after Australia enforced the follow-on and made early inroads, dismissing their top three batters before lunch on day four.

Steve Smith has been labelled a tactical “genius” by Australian spinner Matt Kuhnemann after the stand-in skipper helped set up the wicket of Sri Lankan captain Dhananjaya de Silva on Friday.

Australia have seized a stronghold in the first Test against Sri Lanka, courtesy of a brilliant show by spinners Matthew Kuhnemann and Nathan Lyon. The pair ruled the fourth day of the play, as Sri Lanka crumbled at 165/10 in their first innings.

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.

Dinesh Chandimal's unbeaten half-century and persistent rain in Galle delayed Australia's push for victory in the opening test against Sri Lanka on Friday. Only a 27-over session was possible on day three with Sri Lanka losing two wickets and slumping to 136-5 before rain stopped play.