Mendis dismisses Shamsur Rahman, Bangladesh are 74/1 in 18.2 overs.
Bangladesh will have to shoulder a lot of expectations from the home crowd.
Bangladesh were at 91 for the loss of two wickets at lunch on day four.
Bangladesh were bowled out for 426 runs in their first innings.
Sri Lanka declared at 305/4 in the 2nd innings to set Bangladesh a mammoth target of 467.
Kumar Sangakkara was batting on 90 at tea.
Bangladesh were bowled out for 426 in reply to Sri Lanka's score of 587.
Bangladesh fought back on the fourth day's play against Sri Lanka in the second Test.
Mushfiqur Rahim and Shakib Al Hasan were at the crease after the loss of three quick wickets.