Less than 43 overs were possible on a day of frequent interruptions but Devon Smith took advantage of the opportunity to compile his first Test half-century since the opening match of the home series against England in Antigua in 2015.
Marlon Samuels and Devon Smith scored big against South African Invitation XI and feel they are ready to take on the Proteas.
Chris Gayle is the second experienced player in the squad to withdraw after Dwayne Bravo pulled out last month citing personal reasons. Devon Smith is called up to replace him.
After defeating Sri Lanka, West Indies posted their second win but this one was a much more laboured effort - one that almost went the other way.
Saaed Ajmal claimed 4-63 as Pakistan's spinners restricted West Indies to 209-9 on the opening day of the opening cricket test at Guyana National Stadium.