Andy Murray proved he hasn't lost his sense of humour despite chronic pain from a hip injury forcing him into retirement this year. The three-time Grand Slam winner came across long-time mate Nick Kyrgios in a restaurant and posted a photo on Instagram of the Aussie eating alone with the caption: "[Nick Kyrgios] having dinner with all his mates." Despite coming across as dour, Murray is known to enjoy a laugh.

It's game over... oh, not yet!
Britain's Katie Boulter had an embarrassing moment when playing the first ever final-set tiebreak at Melbourne Park. Instead of continuing until one player leads by two clear games, third sets for women and fifth sets for men now go to a super tie-break when the score reaches six games all with the first to 10 points triumphing.