South Africa 102-4 chasing 421 on final day against Australia

South Africa face 319 runs or survival on the final day in Durban. Chasing 421 against Australia, they closed day four on 102-4. Aiden Markram is 45 not out. Australia need six wickets to win the first Test. A draw follows if the hosts bat 90 overs on 13 October at Kingsmead.