Lasith Embuldeniya took five wickets in the final innings as hosts Sri Lanka thrashed the West Indies by 187 runs in the first Test here on Thursday to go 1-0 up in the two-match series.

Chasing a hefty target of 348, West Indies were bowled out for 160 before tea on the final day, with Nkrumah Bonner the lone warrior with an unbeaten 68 on a turning wicket at the Galle International Stadium.