Keegan Petersen (67) and Raynard Van Tonder (50) led the way for the South Africans after they were put in to bat by the West Indies “A.”
Tony De Zorzi (44) and Khaya Zondo (35) also batted well on Tuesday.
Shamar Joseph has, so far, taken 2-39 from his 17 overs while Kevin Sinclair and Jair McAllister also have two wickets, each.
The West Indies lead the series 1-0.
Full Scores:
South Africa “A” 266-6 from 85 overs (Keegan Petersen 67, Raynard Van Tonder 50, Tony De Zorzi 44, Khaya Zondo 35, Ruan De Swardt 25*, Shamar Joseph 2-39, Kevin Sinclair 2-53, Jair McCallister 2-64)
Friday saw the West Indians end day three 134-5 off 41 overs, needing a further 308 runs for victory on day four at Buffalo Park in East London.
Zachary McCaskie hit a 90-ball 50 to top score for the West Indies, so far.
Tevin Imlach (16) and Kevin Sinclair (15) are the batsmen at the crease.
Off-spinner Dane Piedt ended the day with 3-57 from 14 overs.
Earlier, South Africa began day three 65-1 with a lead of 209 runs and continued to drive the West Indies further back through some excellent batting.
Tony De Zorzi (34) and Raynard Van Tonder (20) were the batsmen at the crease at the start of the day.
De Zorzi fell pretty quickly for 37 and that wicket brought Keegan Petersen to the crease to join Van Tonder.
Van Tonder was able to score his second half-century of the game with a 74-ball 56 before he fell in the 39th over with South Africa “A” cruising at 139-3.
Petersen carried on, batting beautifully on his way to an unbeaten 112 off 134 balls, following up his 67 in the first innings.
Khaya Zondo (49) and Ruan De Swardt (29*) also provided excellent contributions as the hosts declared on 297-4 off 71.3 overs, setting the West Indies a target of 442 for victory.
Full Scores:
South Africa “A” 298 off 97.2 overs (Keegan Petersen 67, Raynard Van Tonder 50, Tony De Zorzi 44, Ruan De Swardt 42, Akeem Jordan 3-43, Shamar Joseph 3-57, Kevin Sinclair 2-53, Jair McAllister 2-64) & 297-4 dec. off 71.3 overs (Keegan Petersen 112*, Raynard Van Tonder 56, Khaya Zondo 49)
West Indies “A” 154 off 47.2 overs (Zachary McCaskie 62, Dane Piedt 5-28, Tshepo Moreki 3-66) & 134-5 off 41 overs (Zachary McCaskie 50, Dane Piedt 3-57)
The hosts, who have six players in their 11 with Test experience, won the toss and chose to bat first on Tuesday, posting 287-9 before declaring.
They were led by half centuries from Keegan Petersen (59), Tony De Zorzi (55) and Clyde Fortuin (53) while David Bedingham also played well for his 47.
Jayden Seales bowled excellently up front with 3023 in 15.5 overs while Akeem Jordan took 3-61 from 18 overs. Kevin Sinclair also bowled 18 overs and took 2-64.
The West Indian opening pair of Tagenarine Chanderpaul and Zachary McCaskie were able to put on 46 in nine overs before stumps on day one.
Chanderpaul will enter day two 28* while McCaskie is on 17*.
Full scores: South Africa “A” 287-9 dec. off 78.5 overs (Keegan Petersen 59, Tony De Zorzi 55, Clyde Fortuin 53, David Bedingham 47, Jayden Seales 3-23, Akeem Jordan 3-61, Kevin Sinclair 2-64)
West Indies “A” 46-0 off nine overs (Tagenarine Chanderpaul 28*, Zachary McCaskie 17*)
