10 June,2012 08:07 AM IST | | AFP
The hosts, who posted a challenging 280 for four after electing to bat, bowled Pakistan out for 204 despite an impressive 96 from opener Azhar Ali.
Sri Lankan seamer Thisara Perera finished with a career-best six for 44.
Lanakan opener Tillakaratne Dilshan top-scored with an unbeaten 119 for his 13th ODI ton.