Mustafizur Rahman took four wickets before Hasan Mahmud held his nerve as Bangladesh beat Ireland by just five runs in the third one-day international at Chelmsford on Sunday.
Victory gave Bangladesh a 2-0 win, with one washout, in the three-match series. Mustafizur, a 27-year-old left-arm quick, finished with fine figures of 4-44 from 10 overs, including several top-order batsman, as Ireland were held to 269-9 in reply to Bangladesh's 274 all out.
Ireland needed 10 off the final over only for Hasan to take two wickets. Then, with six required off the last ball, Hasan's fine yorker hit tailender Craig Young on the boot to the delight of the Tigers' vocal fans at the headquarters of English county Essex.
Ireland were well-placed when needing 51 off nine overs with seven wickets in hand. But Najmul Hossain, who hit a maiden ODI century in Bangladesh's three-wicket win on Friday, took his first wicket at this level to remove Harry Tector.