St John's - South Africa took a 2-0 lead in their five match One-day Series with West Indies on Monday when they beat them by 17 runs in the second One-day International.
South Africa made 300 for five off their 50 overs before they bowled the hosts out for 283 in 48.1 overs.
SCORING: West Indies v South Africa
Smith won the toss and chose to bat first.
The South Africans made one change to the team that won the opening one-dayer convincingly on Saturday, batsman Alviro Petersen coming in at the expense of left-hander JP Duminy.
The West Indies' sole change saw Dale Richards replacing the out-of-form Andre Fletcher at the top of the order.
Chris Gayle (captain), Dale Richards, Dwayne Bravo, Ramnaresh Sarwan, Narsingh Deonarine, Kieron Pollard, Denesh Ramdin (wicket-keeper), Darren Sammy, Nikita Miller, Jerome Taylor, Ravi Rampaul.
Graeme Smith (captain), Hashim Amla, Jacques Kallis, AB de Villiers (wicket-keeper), Alviro Petersen, David Miller, Johan Botha, Ryan McLaren, Dale Steyn, Morne Morkel, Lonwabo Tsotsobe.
Umpires: Clyde Duncan, Guyana, and Daryl Harper, Australia.
Third umpire: Norman Malcolm, Jamaica.
Match referee: Roshan Mahanama.