Novak Djokovic crashed to his first defeat of the season with a stunning 6-4, 6-4 loss to Alex de Minaur.
South Korean president Moon Jae-in has backed Chung Hyeon to bring more joy to his country after the youngster's inspired charge at the Australian Open came to a heart-breaking end in the semi-finals on Friday.
South Korea's Chung Hyeon said he hopes the shot clock being tested out at the inaugural Next Gen ATP Finals in Milan will become a regular feature on the Tour because it allows him to clean his spectacles without worrying.
Defending champion Roger Federer argued with an umpire but mostly let his racket do the talking as he beat Tomas Berdych for the ninth time running to reach the Australian Open semi-finals on Wednesday.
IMAGES from the Australian Open Men's semi-finals played on Friday.
The fighting spirit that propelled Chung Hyeon to the Australian Open semi-finals went missing on Friday as the South Korean trailblazer cut short his much-anticipated clash with Roger Federer after suffering foot blisters.
Chung is being touted as the next Djokovic because of his relentless defensive skills.
In fact, barring 2014 when Stan Wawrinka won the title, no player apart from the quartet has even been involved in the men's final at Melbourne Park since 2008.
An angry Tennys Sandgren slammed journalists for "demonising" him with "sensationalist" reporting on his social media links to right-wing activists but said the controversy had not affected him during his Australian Open quarter-final loss to South Korea's Chung Hyeon.
The Australian Open men's singles final offers a rematch of the dramatic 2021 French Open final, in which Djokovic came back from two sets down to snatch the title and leave Greek Tsitsipas heartbroken.
The 32-year-old, who was ousted in the fourth round at the All England Club last year, will play ATP NextGen Finals winner Chung Hyeon on Wednesday and Frenchman Lucas Pouille, a Wimbledon quarter-finalist in 2016, on Friday.
Meet Olympic silver medalist Mathias Boe.
Federer welcomed the emergence of new challengers
Rafael Nadal survived a difficult start to see off Chung Hyeon of South Korea in straight sets and reach the semi-finals of the Barcelona Open for a 10th time on Friday.
Wildcard Jannik Sinner completed a dream run when he beat top-seeded Alex de Minaur to win the final of the Next Gen tournament for the season's best Under-21 players on Saturday.
Novak Djokovic said he would have to reassess the way forward for his injured elbow after it flared up again during his shock defeat by Chung Hyeon at the Australian Open on Monday.
The absence of Japan's Kei Nishikori from this year's Australian Open has turned the spotlight on Chung Hyeon as Asia waits for its first men's Grand Slam singles champion.
Take a look at six of the up-and-comers who could upset the top names at the year's first Grand Slam.
South Korean tennis player Hyeon Chung will be a star attraction at the second edition of Tata Open Maharashtra beginning in December.
Images from the matches played on Day eight of the 2018 Australian Open at Melbourne Park on Monday
Halep through but Stephens exits in Cincinnati
Former world number two Tommy Haas officially announced his retirement from tennis at the BNP Paribas Open in Indian Wells on Thursday, ending a career that spanned more than two decades.
Look who we spotted at the Melbourne Park this year.
Japan's Nishikori was the first man representing an Asian country to break through to a Grand Slam final at the 2014 tournament before Marin Cilic stopped him in the title match.
World No 55 Haase improved to a 2-2 career record against Zverev, including victories in their last two meetings.
A family holiday in the Maldives might seem a good time for Roger Federer to put the racket down, but the Swiss master could not resist the offer of a hit when he found out Marin Cilic was also relaxing in the islands.
Rafael Nadal saw off Rogerio Dutra Silva 6-1, 6-2 on Wednesday to reach the last 16 of the Barcelona Open, while Andy Murray advanced after opponent Bernard Tomic withdrew.
A summary of sports events and sportspersons, who made news on Tuesday.
Novak Djokovic has undergone an elbow operation in an attempt to cure an injury that has troubled him for the past two years.
Simona Halep's powers of recovery will be put to the test on day eight of the Australian Open on Monday when the world number one meets Japan's Naomi Osaka in a tricky fourth round clash.
Roger Federer cruised to a 6-4, 6-4 win over Peter Gojowczyk in his first appearance since losing in the Wimbledon quarter-finals.
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.
World number one Novak Djokovic continued his dominant form in Tokyo to storm past Frenchman Lucas Pouille 6-1, 6-2 and into the semi-finals of the Japan Open.
Images from Day 6 of the US Open in New York, on Saturday.
An All-Asian tie that catches the eye is rarer than a bottle of Australian wine at Roland Garros but Kei Nishikori's clash with Chung Hyeon in the third round of the French Open could be one to savour.
He has three titles to his name this season, including winning a third Masters 1000 in Madrid, and on Saturday he will become the first German for 15 years to contest a semi-final match at the season-ending ATP Finals.
Kyle Edmund has the most destructive forehand in tennis and it can power him into the world's top 10, according to three-times Australian Open champion Mats Wilander.
Novak Djokovic endured a fierce challenge to his Melbourne Park reign before overhauling Dominic Thiem 6-4, 4-6, 2-6, 6-3, 6-4 on Sunday to clinch an eighth Australian Open crown and reclaim the world number one ranking. While Rafa Nadal rules Roland Garros with 12 titles, Djokovic holds sway in the title match at Rod Laver Arena having never lost a final in Melbourne Park.
Roger Federer savoured the latest chapter of a late-career fairytale that delivered a sixth Australian Open crown on Sunday and a very 'special' 20th Grand Slam title.
Croatian Marin Cilic prepares to try to stop the Swiss claiming a sixth Australian Open title on Sunday.