Mustafizur Rahman's three-wicket haul and Mushfiqur Rahim's unbeaten 16-run knock helped Bangladesh defeat New Zealand in the first T20I.
Bangladesh have been in great T20I form lately, first winning 2-1 away from home against Zimbabwe and then routing Australia 4-1 at home.
Bangladesh cricketer Mushfiqur Rahim suffers hairline fracture on left index finger ahead of Zimbabwe series
In a major blow to Bangladesh, wicket-keeper batsman Mushfiqur Rahim has fractured his index finger ahead of the Zimbabwe series.
Mushfiqur Rahim and Kathryn Bryce were adjudged the ICC Players of the Month for May in the men's and women's categories respectively.
Local media quoted Bangladesh Cricket Board officials saying Mushfiqur was tired of biosecurity measures brought in because of Covid-19.
Sri Lanka was set a revised target of 245 in 40 overs, meaning it needed 119 runs from the final two overs.
Mominul reached his 11th test century in the morning session and was out, too, before tea in the only other wicket to fall all day.