The joker and a knight might have been shaken out but the king remains. Roger Federer has become the oldest man to make a grand slam quarter-final since Jimmy Connors after a five-set win over Japanese counter-puncher Kei Nishikori.
A junior Italian tennis player was controversially disqualified from the opening round of the Australian Open for hitting a ball kid.
Stan Wawrinka's bid for a second Australian Open title in four years remains on track after the No.4 seed secured a straight-sets fourth-round victory over Andreas Seppi at Margaret Court Arena on Sunday.
A quarter-final beckons for Daria Gavrilova, the last Australian left in the Australian Open singles.
Andy Murray has thrown it away. His greatest chance to end his Australian Open hoodoo is over after yet another incredible boilover at the Australian Open.
Venus Williams will turn 37 in a little under six months, so she doesn't feel like she's starting something. Nor is she in the mood to contemplate finishing up.
Australian Open officials have defended their decision not to postpone the Grigor Dimitrov-Richard Gasquet match that began just before midnight on Rod Laver Arena on Saturday night.
The wardrobe clash in the Gavrilova-
Before this week, it's fair to say many Australian tennis fans had never heard of Uzbekistan's Denis Istomin.
When one of Australia's bright young prospects Googles himself, he sees only the images of his second cousin, who got the name and fame first. Matthew Dellavedova the Milwaulkee Bucks guard is the best-known "Delly" in the family; for 16-year-old Matthew Dellavedova, the name is a a conversation starter, certainly.
While most people are up and about this Sunday morning, Bulgarian 15th seed Grigor Dimitrov will hopefully be asleep, and for good reason.
Milos Raonic and Gael Monfils have made it through to the fourth round of the 2017 Australian Open after accounting for Gilles Simon and Philipp Kohlschreiber respectively in their third-round encounters at Melbourne Park on Saturday.
The Dasha is a doer. Late Saturday night, Daria Gavrilova edged past Switzerland's Timea Bacsinzky in three sets to move into the fourth round of the Australian Open for the second year in a row.
Australian star Daria Gavrilova has claimed a hard-fought win over Swiss 12th seed Timea Bacsinszky to book her spot in the final 16 at the Australian Open.
Rafael Nadal says you return to the tennis circuit, but you don't really feel back on it until you begin to string wins together.
It was, Serena Williams was told during the on-court interview that followed her routine 6-1, 6-3 defeat of fellow American Nicole Gibbs, exactly 19 years ago to the day that she played her first match on Rod Laver Arena. Except that, actually, it wasn't. Ah, details, details.
Your daily dose of what's happening off the court at the Australian Open.
"Yeah, sure, he's the favourite. Maybe. I don't know."
Tennis is a zero-sum game. So, even though Andy Murray had nothing to do with Novak Djokovic's defeat, he is well placed to take advantage - a process he began with an efficient victory over the big-serving Sam Querrey.
The sky - or court - is the limit when it comes to experiencing the tennis as a VIP.
For the first time in three years, there will be no local male presence in the last 16.
Tennis players are no different to a lot of you out there in the stands. We've all got plenty of potential distractions in our lives. And we also have been affected by the enormous impact of social media – in positive and negative ways.
Jennifer Brady doesn't even have a picture on the official WTA website. Nor has she played in a grand slam before this week.
As Ivo Karlovic and David Goffin posed for their pre-match photo on Hisense Arena, you couldn't help but giggle.
Former world No.1 Andre Agassi said he could have a lot to teach Nick Kyrgios but the young Australian would have to be willing to listen and learn.
Technology and training is keeping the champions in for a long set.
Bernie feeling the pinch
If he continues on his current path he could become the saddest form of sporting entertainment there is.
Bernard Tomic may still be on the "right" side of 25 but he said playing in his ninth Australian Open had made him feel practically ready to apply for a seniors card.
'Somebody was the unlucky one, it was me for this one,' Berdych said. 'It's not so much fun. I would rather be sitting in the stands watching than on the court.'