Bangladesh clinched the five-match T20I series with a nail-biting defence over Zimbabwe following their 9-run run triumph in the 3rd T20I on Tuesday.
Towhid, Mahmudullah unbeaten stand propels Bangladesh to 6-wicket win over Zimbabwe.
Ireland have named two squads for their upcoming six-match white-ball tour to Zimbabwe in December.
Ryan Burl career-best ODI score not enough as Zimbabwe fall short of 235-run target.
Nissanka hit 101* while Theekshana picked up 4 for 25 as Zimbabwe were consigned to a nine-wicket loss.
Zimbabwe won the game by 14 runs against Oman - Queens Sports Club, Bulawayo on Thursday.