Darwin, Aug. 16 -- One match into their mammoth year-long run of Tests, Australia are already weighing up changes to their batting unit as captain Pat Cummins admitted their poor showing against Bangladesh continued a longer-term trend.

Cummins insisted he had no regrets over his decision to bat first on the Darwin drop-in pitch despite his counterpart Najmul Shanto expressing relief that his team avoided being insertedon Thursday morning.

"Bowl first, for sure," said Shanto when asked what he would have done if he had called correctly ahead of an opening session CricViz's ball-tracking numbers suggested was close to offering as much seam movement as last summer's MCG Ashes pitch did before lunch.

But, unlike in Melbourne's two-day Test,...