Babar Azam became the fastest cricket player to reach the milestone of 2,000 runs in the Twenty20 international format, having accomplished the feat in just 52 innings.
Chandimal carved out an undefeated 54 with three boundaries to finish four runs short of his best of 58 in the format made against Australia at Pallekele in 2016.
Jason Holder finished with an economical 1-19 while there was was also a wicket for 21-year-old debutant off-spinner Kevin Sinclair who opened the bowling and claimed the wicket of Danushka Gunathilaka.
Glenn Maxwell smashed 70 from 31 balls, including 28 from one Jimmy Neesham over, while under-fire skipper Aaron Finch scored 69 off 44 to mute critics who had been calling for his scalp.
Prime Minister Jacinda Ardern announced the lockdown in the country's biggest city after a new local case of the coronavirus of unknown origin emerged.
Wednesday's double-headers will go ahead in Wellington as planned but without a crowd, New Zealand Cricket said in a statement on Saturday.