Nurul Hasan made 64 off only 74 balls in his second Test, but Bangladesh were consigned to defeat early on day three.
West Indies are on the verge of a huge win over Bangladesh, who crumbled once more in the first Test.
Kraigg Brathwaite made 88 not out as West Indies closed the opening day of the first Test with a 158-run lead.
Kemar Roach took 5-8 in a magnificent opening spell as Bangladesh were dismissed in just 18.4 overs in the first Test.
The first World Test Championship will begin with the Ashes in 2019, as the ICC hopes to "bring more context to bilateral Test cricket".
A smart piece of fielding from Shafiqullah denied Bangladesh victory in the third match of the T20I series against Afghanistan.
A seven-month search for Bangladesh's new head coach is over after Steve Rhodes was appointed.
Afghanistan clinched a bilateral T20I series win over a side other than Zimbabwe for the first time, with Rashid Khan starring.
Afghanistan claimed a T20I victory over Bangladesh in Dehra Dun, where teenage spinner Rashid Khan again starred with the ball.
Bangladesh will again be coached by Courtney Walsh as they face Afghanistan in three Twenty20 internationals.