The match, played in Sylhet, was affected by rain, reducing each side to 9 overs. Batting first, Sri Lanka posted 87 for 6 in their allotted overs, setting Bangladesh a target of 88 runs.
In response, Bangladesh managed 84 for 6 in their 9 overs, falling just short by 3 runs in a closely contested finish.
With this victory, Sri Lanka Women secured a clean sweep, having already won the first and second matches of the series.
