Dhaka, May 19 -- Bangladesh edged to the doorstep of history on a tense fourth day in Sylhet, retaining a firm grip on the second Test despite a stubborn Pakistani fightback led by Mohammad Rizwan and Salman Agha.

With Pakistan chasing 437, the hosts ripped through the visitors' batting order on Tuesday before a defiant 134-run stand between Rizwan (75) and Agha (71) dragged the contest into a fifth day.

Bangladesh need only three more wickets to complete another memorable 2-0 series sweep over Pakistan.

Pakistan closed on 316 for 7, still 121 runs short, with Rizwan unbeaten on a resolute 75.

For much of the day, Bangladesh's bowlers hunted relentlessly on a wearing Sylhet surface.

Nahid Rana's pace, Taijul Islam's relentless accura...