Herschel Jantjies scored a brace on a memorable debut as South Africa secured a 35-17 win over Australia in their opening Rugby Championship clash at Johannesburg's Ellis Park.

Jantjies put the hosts ahead after just seven minutes before Lood De Jager extended the Springboks' advantage.

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Dane Haylett-Petty gave Australia hope with his side's opening try of the evening to leave them trailing 14-10 at the interval.

But South Africa dominated after the break. Sibusiso Nkosi got his name on the scoresheet with 55 minutes gone.

Jantjies then went over for a second time before substitute Cobus Reinach sealed a convincing bonus-point victory in the closing seconds.