Tsitsipas will play 22nd-seeded Spaniard Roberto Bautista Agut for a place in the semi-finals.
Rafael Nadal was reportedly happy to be on the dance floor, not on an actual one but on a tennis court, as the recovering Spaniard played in a new format called Fast4, which has been dubbed as disco tennis by some.
The Australian Open will lose one of its giant killers when South Korean Chung Hyeon meets American Tennys Sandgren in an unlikely quarter-final showdown at the Rod Laver Arena on Wednesday.
With the year sprinting to a close, we bring you, in pictures, some of the best action from the sports world.
The 29-year-old Serbian tried his hand at different sports including cricket, football, wheelchair tennis and basketball during 'A Night with Novak' at the Margaret Court Arena on Wednesday night.
Serena Williams clinched a record 23rd grand slam title at the Australian Open on Saturday but spent most of the immediate aftermath talking about her older sister Venus.
Johanna Konta's exhilarating run at the Australian Open was finally halted by Angelique Kerber in the semi-finals on Thursday, but the Briton leaves Melbourne Park 'hungry' for more Grand Slam success.
Germany's Angelique Kerber breezed past American Madison Keys in straight sets to enter the Australian Open semi-finals in Melbourne on Wednesday. The 2016 champion easily won 6-1, 6-2 in just 51 minutes.
A blue plexicushion centre court at Rod Laver Arena was the centrepiece of the Australian Open 2008 launch.
Images from all the action on Day 3 at the Australian Open in Melbourne on Wednesday
Mr Warne, the world will miss you.
Rediff.com introduces you to the athletes who have brought India glory in Birmingham.
Brothers Mike and Bob Bryan retained their Australian Open men's doubles title on Saturday after a 7-5, 7-5 victory over Jonas Bjorkman and Max Mirnyi.
Mischa still finds time to tease 'Sascha', despite his little brother's rapid ascent up the tennis rankings.
Roger Federer will start his 2014 campaign at the Brisbane International next January, underlining the tournament's status as the biggest of the Australian Open warm-ups.
Jennifer Brady spent two weeks in hard quarantine gathering mental strength for her tilt at a maiden Grand Slam title and will hope there is plenty in reserve when she takes on Naomi Osaka in Saturday's Australian Open final.
Top seed Andy Murray could meet Roger Federer or Kei Nishikori in the third round, while Serena faces tricky Belinda Bencic in opening round
Australian 24-time Grand Slam winner Margaret Court said on radio on Wednesday that tennis was 'full of lesbians', courting controversy again just a week after expressing her opposition to same-sex marriage.
Serena Williams squandered four match points and blew a 5-1 lead in the decider to fall to seventh seed Karolina Pliskova 6-4 4-6 7-5 in the quarter-finals of the Australian Open.
Second seed Andy Murray of Great Britian edged past Canadian Milos Raonic to set up a high-voltage final against World No. 1 Novak Djokovic at the Australian Open in Melbourne, on Friday.
City Football Group will be a 65 per cent majority stakeholder of the club, alongside existing shareholders, actor Ranbir Kapoor and Bimal Parekh, who will keep the remaining 35 per cent.
"She played some incredible points on match point, she reminded me a bit of myself," said Williams after the match.
Fourth seed Kim Clijsters overcame a late wobble to beat Slovakian Daniela Hantuchova 6-1 7-5 on Monday and set up a mouth-watering Australian Open quarter-final against Martina Hingis.
Britain's Johanna Konta has learned much from matches against Grand Slam champions and former world number ones over the last 18 months but on Wednesday her education will be complete when she faces Serena Williams in the Australian Open quarter-finals.
For Williams, the catsuit, she said, made her feel like a 'superhero', and the compression stockings she will wear for the duration of the tournament at Melbourne Park, have a more serious purpose.
Images from matches played on Day 7 at the Australian Open in Melbourne Park on Sunday
'Generally, I'm happy outside the court, happy on the court, happy in life. Then I think you play your best.'
'We only felt that it has never happened before, I don't think it will ever happen again. It was a freak inning'
IMAGES from the Australian Open matches played at Melbourne Park on Wednesday
The Australian Open men's singles final between champion Roger Federer and sixth seed Marin Cilic got underway on Sunday with the roof closed at Rod Laver Arena on a scorching day, triggering a hailstorm of criticism from former players.
Images from the Australian Open matches played at Melbourne Park on Wednesday.
The Indo-Czech Republic pair shocked second seeds Jonas Bjorkman of Sweden and Max Mirnyi of Belaruss in the men's doubles at the Australian Open.
Serena Williams is chasing Australian Margaret Court's record 24 Grand Slam singles titles
Krishna Bhupathi's assessment comes after the fine showing against Serena Williams in the third round of the Australian Open.
Serena Williams battled her way into the Australian Open semi-finals with a 3-6, 6-2, 8-6 win over Israeli Shahar Peer.
The world's oldest Test venue was in danger of losing the annual Boxing Day match due to the redevelopment for the 2006 Commonwealth Games.
One of the first orders of business for Stanislas Wawrinka on his return to Melbourne Park last week was to see the photo of himself holding the Norman Brookes Challenge Cup on the 'Walk of Champions' under the Rod Laver Arena centre court.
A deflated Novak Djokovic blamed a bad day at the office for his stunning second-round elimination by Uzbek wildcard Denis Istomin which condemned the Serb to his earliest grand slam exit in nearly a decade.
Caroline Wozniacki was left ruing her inability to see off Kazakhstan's Yulia Putintseva after the unseeded 21-year-old rallied back from a set down to knock out her more established opponent in the first round of the Australian Open on Monday.
