Chasing a daunting target of 297 runs, Pakistan never looked comfortable as wickets keep falling at regular interval.
Pakistan were all out on 284 runs in 48.5 overs.
Pakistan skipper Misbahiul Haq and wicket keeper Umar Akmal were pick of the batsmen for Pakistan, they made 73 runs off 84 balls and 74 runs off 72 balls respectively.
Lasith Malinga took five wickets for 52 runs in his 9.5 overs.
In Image: Sri Lanka’s Lasith Malinga, celebrates taking the wicket of Pakistan’s Bilawal Bhatti.