Explained: How follow-on rule works in Test cricket

India narrowly averted the follow-on in the third Test against Australia in Brisbane, thanks to a crucial last-wicket partnership between Jasprit Bumrah and Akash Deep. In reply to Australia's 445 runs, India reached 252/9 at stumps on Day 4, with Akash (27*) and Bumrah (10*) adding an unbeaten 39 runs for the 10th wicket.