What a daypublished at 13:37 Greenwich Mean Time 18 January 2022
That ends a very busy day two in Melbourne. Thanks as always for joining us and for your comments.
Don't miss Tennis Breakfast on BBC Radio 5 Live Sports Extra tomorrow from 07:00 GMT, followed by live-text coverage of Naomi Osaka's second-round match against Madison Brengle.
What a day it has been for Andy Murray, who thought he would have to retire from tennis after this tournament three years ago but today won a five-set thriller to beat 21st seed Nikoloz Basilashvili.
And Emma Raducanu was among those celebrating too in her first Grand Slam match since winning the US Open title as she eliminated former world number three Sloane Stephens.
Here's a quick look at the main stories from today...