South Africa left-arm seamer Tabraiz Shamsi's magnificent bowling performance of 3/27 restricted West Indies to 135/8 in 20 overs at the Sir Vivian Richards Stadium on Monday.
Proteas skipper Aiden Markram won the toss and opted to bowl first in an all-important Super 8 clash. The winner of this game will qualify for the semifinals of the ongoing marquee event.
Batters Kyle Mayers and Shai Hope came out in the middle to open the innings for the hosts.
The Caribbeans didn't get the start they wanted as the side lost their first wicket on the third ball of the match as left-arm seamer Marco Jansen dismissed Hope after scoring just one run.
The next batter to come out in the middle was the left-hand batter Nicholas Pooran but he was sent back by Markram on the first ball of the second over.
Following Pooran's dismissal, right-hand batter Roston Chase came out in the middle to bat along with Mayers.
After the end of the powerplay (6 overs), West Indies were 47/2 with Chase (21) and Mayers (19) unbeaten on the crease.
The Rovman Powell-led side brought up their team's fifty in 6.2 overs.
Both batters completed their 50-run partnership in the eighth over as Chase took a single on the bowling of the South African captain.
After the completion of 10 overs, the Caribbeans were 69/2 with Chase (33) and Mayers (29) unbeaten on the crease.
West Indies lost their third wicket, which was of Mayers, who scored 35 runs in 34 balls with three fours and two sixes in the 12th over when the team score was 86 and the fourth