• Michael Clarke picked up where he left off on day three...
  • ...as did Ed Cowan.
  • Cowan welcomed his maiden Test century...
  • ...and Clarke cherished the 20th ton of his career.
  • Graeme Smith turned to his part-time spin.
  • Cowan and Clarke put on 259 for the fourth wicket.
  • Dale Steyn enjoyed a fortunate flick of the finger...
  • ...as Clarke rued the unfortunate run-out of Cowan.
  • Cowan departed for a superb 136.
  • Clarke graduated to a tremendous double century.
  • Michael Hussey and Clarke shared an unbroken 188-run stand before the close of play.

1st Test, Day 4: Aus v SA

Michael Clarke picked up where he left off on day three...