Serena Williams battled her way into the Australian Open semi-finals with a 3-6, 6-2, 8-6 win over Israeli Shahar Peer.
Marcos Baghdatis failed to repeat his heroics of last year and was beaten by Frenchman Gael Monfils in the second round of the Australian Open.
'It wasn't really a nice time to be dealing with everything'
Twelfth seed Patty Schnyder of Switzerland fought back to upset sixth seed Elena Dementieva 6-7, 7-6, 6-2 to reach the quarter-finals.
Andy Roddick and Guillermo Coria raced into the fourth round with crushing victories.
The Wimbledon champion crushed China's Li Na 6-0, 6-2 to become the fifth Russian woman to reach the fourth round.
The Australian team of Wayne Arthurs and Todd Woodbridge teamed up to beat Alex Corretja and Feliciano Lopez in the crucial doubles rubber.
World number one tennis player Novak Djokovic was denied entry into Australia on Thursday amid a storm of protest about a decision to grant him a medical exemption from COVID-19 vaccination requirements to play in the Australian Open.
Roger Federer's struggles in 2013 are unlikely to hasten his exit from the game and the Swiss master could hit back and win next year's Australian Open, according to tennis great Rod Laver.
Eight-time Grand Slam winner Ivan Lendl said whoever ends up winning the most majors among the 'Big Three' of Roger Federer, Rafa Nadal and Novak Djokovic should be considered the greatest male tennis player of the Open era. Federer, who will be 39 in August, leads the race with 20 Grand Slam singles titles, with Spaniard Nadal close on his heels with 19. Reigning world No. 1 Djokovic is three behind the Swiss with 17 majors under his belt and is the youngest of the trio - at 32 he is a year younger than Nadal.
'I definitely feel like I've got my rhythm now at this point. Clearly I've gone from lefty to righty to lefty.'
John McEnroe mocked Margaret Court as the 'crazy aunt' of tennis. She has attracted heavy criticism for voicing her religious-based opposition to same-sex marriage.
Novak Djokovic crushed Andy Murray 6-1, 7-5, 7-6(3) on Sunday to match Roy Emerson's record of six Australian Open titles and leave the Briton heartbroken again at Melbourne Park.
Nadal will not be playing at Wimbledon, having decided to rest, while eight-time champion Federer is showing signs that, at 39, the window of opportunity to win one more Slam is closing.
Garbine Muguruza stormed back into the Grand Slam big time with a 7-5, 6-3 win over Russian Anastasia Pavlyuchenkova to reach her first Australian Open semi-final. Fourth seed Simona Halep advanced to her second Australian Open semi-final with a 6-1, 6-1 demolition of Estonia's Anett Kontaveit in just 53 minutes on Rod Laver Arena.
The top seed began her Australian Open quest with a pulverising 6-0, 6-0 win over 15-year-old Olivia Lukaszewicz on Monday.
Images from Day 4 of the Australian Open in Melbourne on Thursday
Former French Open champion Ana Ivanovic was shaken up when a spectator was injured falling down the stairs on Rod Laver Arena but recovered her composure to ease into the third round at the Australian Open on Thursday.
Novak Djokovic's intentions in organising the ill-fated Adria Tour were good but the world number one could have applied a bit more common sense to how the exhibition event was run, former ATP players' council head Vijay Amritraj said. The Serbian has faced fierce criticism after he, Grigor Dimitrov, Borna Coric and Viktor Troicki contracted COVID-19 following the charity event in Serbia and Croatia.
Daniil Medvedev will play Rafael Nadal for the Australian Open title on Sunday after a stirring victory over Greek fourth seed Stefanos Tsitsipas in the semi-final on Friday.
Images from Saturday's action at the Australian Open.
Nadal surpassed the haul of Roger Federer and Novak Djokovic.
Images from Day 4 of the Australian Open in Melbourne on Thursday.
The five-day lockdown, ordered after a new COVID-19 outbreak at a hotel, was due to start at midnight.
Organisers hope the anxious buildup will be forgotten when the action begins.
'When we play against Djokovic, many times we didn't know exactly what we had to do. This is more difficult, for me. I prefer to play against Federer'
Daniil Medvedev fired Russia into the final of the ATP Cup on Saturday with a tense 3-6, 6-3, 7-5 win over an injury-hampered Alexander Zverev after the German destroyed a racket in frustration over a lost service break.
Images from all the action on Day 4 of the Australian Open in Melbourne on Thursday
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.
IMAGES from the Australian Open matches played on Friday.
Rafael Nadal is tied with Roger Federer as the player with the most men's singles majors and the Spaniard can now overtake his great rival who has skipped the Australian Open.
Djokovic, who has ruled like no other on Rod Laver Arena simply had no answer as Chung, nine years his junior, wore him into the ground to win.
Italy sealed a place in the semi-finals of the ATP Cup by winning both singles matches against France
World number one Novak Djokovic has disclosed that his sudden slump in form was due to ' private issues' and not because of a lingering wrist injury.
Tsitsipas will play 22nd-seeded Spaniard Roberto Bautista Agut for a place in the semi-finals.
Roger Federer overcame some feisty resistance from Alexandr Dolgopolov to safely advance to the third round of the Australian Open with a 6-3, 7-5, 6-1 victory.
Eleven years after their first meeting in the Australian Open final, Novak Djokovic and Jo-Wilfried Tsonga will take a trip down memory lane on Thursday to renew their rivalry in the second round in Melbourne.