David Miller smashed an unbeaten 53 as South Africa claimed a three-wicket victory over Australia in the first Twenty20 International at Kingsmead Friday. Set 158 for victory, South Africa reached its target with four balls to spare as Miller blasted his highest score in the format off 35 deliveries and rescued the home side's flagging chase. After winning the toss and electing to bat, Australia made a rollicking start and were 69 for one after six overs, thanks largely to Aaron Finch's 40 from 18 balls. But once the powerplay was over and South Africa got leg-spinner Imran Tahir into the game, the pace slowed and wickets started tumbling. Australia managed only 88 for eight from the next 14 overs as Tahir (3-21) and David Wiese (2-16) did an excellent job in restricting the tourists. If it were not for Mitchell Marsh's fine 35 from 25 balls, the home side would have been chasing considerably less. South Africa's reply could not have got off to a worse start as AB de Villiers was out first ball trying to guide a Nathan Coulter-Nile delivery to third man but only succeeding in picking out wicketkeeper Peter Nevill. When it slipped to 95-6 one ball shy of 13 overs, the touring side was the favorite, but Miller constructed an innings that was a mix of power, timing and composure to see his side home. Australia handed a debut to leg-spinner Adam Zampa, who recorded figures of 0-26 in his four overs. The teams are using the series as a warmup for the World Twenty20 that starts in India Tuesday. The second of three matches will be played in Johannesburg Sunday. Russell set for World T20 Andre Russell looks set to play in the World Twenty20 after the Jamaica Anti-Doping Commission said Friday the West Indies all-rounder would not be suspended pending a hearing into his "anti-doping whereabouts" rule violation. The 27-year-old, named in the West Indies squad for the World Twenty20 in India that starts next week, has missed three doping tests within a 12-month period and faces a possible two-year ban from cricket if found guilty.