Carlos Alcaraz charged into the Australian Open semi-finals for the first time in his career with a dominant victory over local favourite Alex de Minaur.
The opening Grand Slam of the year begins at Melbourne Park on Sunday.
With Australia's number one Alex De Minaur opting out of the tie in Quito, the 28-times champions crashed out when Rinky Hijikata and Jordan Thompson were beaten 7-6(5) 6-4 by Gonzalo Escobar and Diego Hidalgo in the decisive doubles rubber.
Former Wimbledon champion Marketa Vondrousova withdrew from the Australian Open on Sunday after the Czech player said she was dealing with a shoulder injury.
Germany's Alexander Zverev remained on track for a return to the Australian Open final after beating American Learner Tien 6-3, 6-7(5), 6-1, 7-6(3) in the Melbourne Park quarter-finals on Tuesday.
Carlos Alcaraz powered into his third successive Australian Open quarter-final, beating Tommy Paul in straight sets in a match interrupted by a medical emergency.
Defending champion Jannik Sinner stormed to a 7-5, 6-2 victory over Alex de Minaur in the last four of the ATP Finals on Saturday, as the Australian suffered his 13th straight loss to the four-time Grand Slam winner despite a fighting start.
IMAGES from all the action on Day 8 of the Australian Open in Melbourne on Sunday.
Tough road for defending champion Keys
Sinner will face 19-year-old Learner Tien for the title.
Australian Alex de de Minaur advanced to the semi-finals, where he will face Jannik Sinner.
Jannik Sinner and Carlos Alcaraz are poised to reignite their rivalry at the ATP Finals, with the year-ending championship that begins on Sunday expected to produce another title showdown between the pair in a season that has belonged to them.
Carlos Alcaraz began his bid for a first ATP Finals trophy with a win over Alex de Minaur and Alexander Zverev overpowered Ben Shelton in their round-robin openers.
Sinner has a perfect 10-0 record against de Minaur, and he is currently number two in the ATP Live Race to Turin, having qualified for the season-ending ATP Finals. Sinner has reached the last four in seven out of his previous eight tournaments this year.
World number one Carlos Alcaraz eased to a 6-2, 6-4 win over Canada's Felix Auger-Aliassime at the ATP Finals on Saturday to set up a highly-anticipated title decider with defending champion Jannik Sinner.
Defending champion Jannik Sinner reached the semi-finals of the ATP Finals with a 6-4, 6-3 win over two-times winner Alexander Zverev on Wednesday, with Ben Shelton eliminated after losing earlier to Felix Auger-Aliassime in the same group.
Alex De Minaur rallied from a set down and saved three match points to claim the Washington Open title after beating Alejandro Davidovich Fokina in the final of the ATP 500 event.
Shelton was broken in the opening and closing games of the first set, unable to take advantage of a break point at 2-1 down while Sinner was always capable of pulling out an ace at the crucial time, hitting two in that fourth game to hold serve.
Alcaraz off to winning start at ATP Finals with win over De Minaur
World No. 1 Carlos Alcaraz came under extreme pressure before overcoming American Taylor Fritz 6-7(2), 7-5, 6-3 in a thrilling round-robin match at the ATP Finals on Tuesday, leaving the Spaniard on two wins from two.
Jannik Sinner began his bid to retain the ATP Finals title with a resounding 7-5, 6-1 win over injury-hit Canadian Felix Auger-Aliassime in their round-robin clash.
Canada's Felix Auger-Aliassime reached the last four of the ATP Finals with a 6-4, 7-6(4) round-robin win over two-times winner Alexander Zverev on Friday and Jannik Sinner extended his indoor hardcourt unbeaten run by beating American Ben Shelton.
Virat Kohli, Anushka Sharma spotted at Wimbledon as Djokovic advances to quarter-finals.
After a gutsy performance that pushed Sinner to four sets, the Italian world number one ultimately proved too strong. Yet the Canadian said he would carry plenty of positives forward from Flushing Meadows.
The World No 1, who extended his hardcourt winning streak to 26 matches, will play against Canada's Felix Auger-Aliassime in the semi-finals.
It marks Osaka's first WTA 1000 semi-final since Miami in 2022, as the Japanese former world number one needed just over an hour to secure victory over the 10th seeded Svitolina.
Roger Federer, accompanied by his wife Mirka, was spotted in the Royal Box during the fourth-round match between Novak Djokovic and Alex de Minaur.
Medvedev in Shanghai semis as Rinderknech joins cousin Vacherot in last four
Defending US Open champion Jannik Sinner continued his stellar run at the hardcourt Grand Slams with a 6-1, 6-1, 6-1 hammering of Kazakh 23rd seed Alexander Bublik on Monday to make the quarter-finals at Flushing Meadows.
Michelsen, seeded 26th, will face hard-hitting 11th seed Karen Khachanov of Russia, who upset eighth seed Casper Ruud in their fourth round match 6-4, 7-5.
Gael Monfils thrilled the Roland Garros crowd with his 12th five-set victory at the French Open on Tuesday before revealing that he does not enjoy having to dig himself out of deep holes at Grand Slams.
Second seed Coco Gauff overcame early problems on serve to cruise past China's Wang Xinyu 6-3, 6-2, keeping her composure despite eight double faults in the first set to book a meeting with Ukraine's Dayana Yastremska in the third round.
Anna Kalinskaya outclassed Britain's Emma Raducanu at the Washington Open on Saturday to advance to the final, where she will face Leylah Fernandez.
Carlos Alcaraz stormed into his first Masters final in 13 months when he beat Alejandro Davidovich Fokina 7-6(2), 6-4 on Saturday.
American fourth seed Ben Shelton battled from a set down to clinch his first ATP Masters 1000 title at the Canadian Open in Toronto on Thursday.
Jannik Sinner beat defending champion and Spanish second seed Carlos Alcaraz to win his first Wimbledon title.
Shelton blasted an ace on match point to seal the win and avenge his five-set loss to Tiafoe at last year's U.S. Open as the 22-year-old continues to make strides in his breakout season.
Jannik and Carlos are the favourites at Flushing Meadows, but don't write these men off!
Iga Swiatek was the latest top player to suffer an upset loss in Montreal as the Wimbledon champion
Teenager Andreeva shows her mettle, Pegula advances at French Open