Sri Lanka's Angelo Mathews has been ruled out of the first Test against Australia due to Covid-19 but Friday's third day otherwise began on schedule in Galle.
Batsman Oshada Fernando took the field to replace Mathews for the first match of the two-Test series.
Mathews will be in isolation for five days.
Sri Lanka bowled out Australia for 321 in the second over of the day after the tourists resumed on 313-8.
The hosts began their second innings 109 runs behind Australia.