Matt Smith converted a penalty corner in the 22nd minute to give the Aussies a first-half lead.
Australia crushed South Africa’s hopes of a comeback with a triple strike soon after the resumption.
Jamie Dwyer and Craig Victory scored off successive moves and Ben Taylor scooped in a penalty corner within the space of four minutes.
Meanwhile, Ryan Archibald slammed four goals and Hayden Shaw three as New Zealand decimated first-timers Barbados 13-0.—AFP
Australia 4 South Africa 1
New Zealand 13 Barbados 0