Jonny Bairstow's irresistible late hitting gave England a telling advantage as they wrapped up a 2-0 series success with an 85-run win over Ireland at Lord's.
Captain Eoin Morgan (76) and ultra-reliable number three Joe Root (73) put England in handy shape with a third-wicket stand of 140, before Bairstow (72no) and Adil Rashid took over in a total of 6-328.
England exercised caution through the middle overs before Root and Morgan then departed within the space of three overs, and it therefore fell to the all-Bradford alliance of Bairstow and Rashid to take toll of a flagging attack.
It was enough to put the onus squarely on the touring batsmen on their Lord's international debut - and despite the flying start provided by Paul Stirling on his home ground, and a half-century from captain William Porterfield (82) back at the venue where he was once an MCC Young Cricketer, a successful chase was not in the offing for long on the way to 243 all out.
Stirling carved eight fours and a six from 42 balls to give the Irish reply a flying start, and reason to believe.
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But the introduction of Jake Ball first stifled the stocky right-hander and then had him edging behind.
Stirling's opening partner Ed Joyce fell victim to Root with a delivery which was darted in from round the wicket and clattered into leg stump.
Andy Balbirnie also got in a tangle at the other end to fall lbw to Liam Plunkett (3-23), as England began to stall momentum by picking up regular wickets.
Root, who belied his billing as a part-time spinner to bowl his full 10 overs, took advantage as Niall O'Brien and Gary Wilson both holed out in the deep.
Then Rashid had O'Brien's younger brother mistiming another attempted big hit into the leg-side ring, leaving England in a degree of comfort.
Porterfield, dropped by Root off Rashid from a leading edge to cover on 42, kept the margin of defeat respectable with six fours and a six from 83 balls until he was bowled round his legs off his pads by the returning Mark Wood as the last four wickets fell for 20 runs.
