Set a target of 180 to win and level the series, South Africa failed to take advantage of a strong start and fell 30 runs short at the Brian Lara Cricket Academy, marking their third successive T20I series loss against the islanders.In pursuit of the hosts’ 179/6, openers Reeza Hendricks and Ryan Rickelton were off to a flyer. Hendricks piled into Roston Chase, launching him for 22 runs in five balls at one point. Rickelton was a bit more measured at the other end, but signalled his intentions with two sixes.At 63/0 in the fifth over, the Proteas were in cruise control. But Rickelton,…