Bangladesh Under-19 have beaten the West Indies colts by 16 runs in the third Youth ODI to sweep the series 3-0.
The hosts, who had already sealed the three-match series by winning the first two matches, fielded a second-string team at the Zahur Ahmed Chowdhury Stadium in Chittagong on Saturday.
A scintillating unbeaten century from opener Saif Hasan (107) and a handy Shafiul Hayet (61) knock took Bangladesh to 235 for 7 after they had elected to bat.
In reply, Caribbean openers Tevin Imlach (38) and Gidron Pope (57) laid a sturdy base.
But Saha spun through the West Indies middle-order before Bangladesh bundled out the visitors for a morale-boosting series sweep days ahead of the Under-19 World Cup.