Australia’s rivalry with India turned physical as Virat Kohli collided with 19-year-old Australia batter Sam Konstas on the opening morning of the fourth test.

Batting first at the MCG, the hosts were well placed at 112-1 at lunch after Sam Konstas’ daring 60 off 65 deliveries in a memorable debut.

Australia’s teenage opener Sam Konstas smashed a rapid half-century on debut and was involved in an altercation with Virat Kohli on a dramatic first day of his Test career.