Leeds: Sri Lanka are closing in on a magnificent achievement after their captain, Angelo Mathews, with a brilliant domineering hundred, followed by a scarcely credible spell from Dhammika Prasad collapsing to 57-5 in pursuit of 350 for victory in the second Test at Headingley.
Sri Lanka have never won a Test series in England
Chasing 350 to win, the hosts' top order was destroyed by Dhammika Prasad's 4-15 as they slipped to 57-5, including captain Alastair Cook for 16.
Sri Lanka earlier amassed 457 at Headingley, led by a masterful 160 from captain Angelo Mathews, who was supported by Rangana Herath's 48.
They added 149 for the eighth wicket, Mahela Jayawardene having made 79.
Mathews and Herath spent all but one ball of the afternoon session together and were parted only when Herath was run out in a mix-up off the final delivery before tea.
By that time, Sri Lanka - winners of a one-off Test in England in 1998 - were already well on top thanks to the efforts of Mathews, who skilfully combined marshalling the strike with finding the boundary on a regular basis.
He drove down the ground, cut and, on one occasion, clipped Liam Plunkett for six over mid-wicket.
Mathews gave one chance on 87, a relatively straightforward caught and bowled off Plunkett, who had earlier taken two wickets in two balls to give him nine in the match.
Plunkett's twin strikes - Dinesh Chandimal hooking to deep square leg and Prasad guiding to third man - brought Herath to the crease for his stoic support of Mathews.
As the day wore on, so ineffective were the pacemen that ironic cheers came from the crowd when the spin of Moeen Ali was finally given a second over of the day.
The poor afternoon followed a morning when England defended to such an extent that Mathews and Jayawardene added 40 in seven overs before the second new ball, with which James Anderson and Stuart Broad were guilty of bowling too short.
When Anderson finally pitched the ball up, Jayawardene was caught behind by Matt Prior.
After Herath was run out by Joe Root's direct hit it from mid-on - sent back by Mathews looking for the single that would have taken him to 150, Anderson returned to mop up the tail, starting with Mathews chipping a full toss to mid-wicket.
Although openers Cook and Sam Robson survived for an hour in putting on 39, Prasad profited bowling the sort of full length that had earlier eluded the England seamers.
Cook continued his year-long run of poor form by dragging a pull on to his stumps, then Gary Ballance was plumb lbw to the next ball, which shaped back in.
Robson chased a wide one to edge the same bowler to second slip and Ian Bell was bowled by a beauty that nipped back to take off stump.
A miserable day was completed by nightwatchman Plunkett chipping Herath to cover from what proved to be the final ball, a fitting end to a day that will surely result in an England defeat.
Brief scores
Sri Lanka - 257 and 457 (Mathews 160, Jayawardene 69, Plunkett 4-115)
England - 365 and 57 for 5 (Prasad 4-15)
Status - England need 293 runs to win