Glenn Maxwell’s unbeaten half-century led Australia to a sensational two-wicket win over South Africa in the final T20 and clinched the series 2-1.

Australia's Glenn Maxwell produced an unbeaten half-century in a tense chase to help the hosts edge out South Africa by two wickets in the third and final Twenty20 International and complete a 2-1 series victory in Cairns on Saturday.

Australia clinched the three-match T20I series 2-1 against South Africa after Glenn Maxwell pulled off a rescue act for the home side in the decider.