Sri Lanka's captain Angelo Mathews won the toss and chose to bat in the crucial fourth one-day international against Pakistan in Colombo on Wednesday.

Sri Lanka must win the day-night match at the Premadasa stadium to stay afloat in the five-match series which Pakistan leads by a 2-1 margin.

Ninth-ranked Pakistan are seeking a series win to remain in contention for a place in the eight-nation Champions Trophy in England in 2017.

Sri Lanka, currently ranked fifth, are assured of taking part in the tournament.

Sri Lanka: Angelo Mathews (capt), Kusal Perera, Tillakaratne Dilshan, Lahiru Thirimanne, Ashan Priyanjan, Dinesh Chandimal, Milinda Siriwardane, Suranga Lakmal, Sachith Pathirana, Nuwan Pradeep, Lasith Malinga.

Pakistan: Azhar Ali (capt), Ahmed Shehzad, Mohammad Hafeez, Shoaib Malik, Mohammad Rizwan, Imad Wasim, Sarfraz Ahmed, Anwar Ali, Yasir Shah, Rahat Ali, Mohammad Irfan.

Umpires: Raveendra Wimalasiri (SRI) and Rod Tucker (AUS)

TV umpire: Ian Gould (ENG)

Match referee: Javagal Srinath (IND)
Source: AFP