Learner Tien is the youngest American man to reach the third round of the Australian Open since an 18-year-old Pete Sampras in 1990.
Novak Djokovic beat defending champion Roger Federer 7-5, 6-3, 7-6 in the semi-final of the Australian Open.
Lewis Hamilton will launch his bid to win the drivers' championship at a third F1 team when he makes his much-anticipated debut for Ferrari in the season-opening Australian Grand Prix.
Zverev fresh for Australian Open final after being spared gruelling Djokovic test
Images from Day 2 of the Australian Open.
On-court coaching, previously banned and punishable by point deductions, disqualification or even suspension from tournaments is being positively encouraged at Melbourne Park with "coaching pods"
Novak Djokovic is ready to challenge Jannik Sinner and Carlos Alcaraz at the Grand Slam stage when he returns to action at the Australian Open after an underwhelming campaign this year, the 24-times champion said.
The two players merely acknowledged each other with a wave before heading off court.
Jannik Sinner accepts that his rangy physique is probably never going to attract that much attention.
World number one Novak Djokovic is a red hot favourite to overcome all opponents and clinch another Australian Open title this year, although extreme temperatures will be a wild card the Serb has to watch out for.
The American doubles specialist ended French schoolgirl Tatiana Golovin's amazing Australian Open run with a crushing 6-2 6-0 win in the fourth round.
Aryna Sabalenka bludgeoned her way to a maiden Grand Slam title at the Australian Open with a 4-6, 6-3, 6-4 win over Kazakh 22nd seed Elena Rybakina on Saturday in a thrilling final .
Maria Sharapova-led Russian brigade captured four of the round of 16 berths at the Australian Open on Friday
Victoria Azarenka's hopes of a remarkable comeback Australian Open victory crumbled under Angelique Kerber's winners on Wednesday but the Belarusian was pleased with solid three weeks Down Under that made her feel she had turned a corner.
Silent assassin Agnieszka Radwanska ended Victoria Azarenka's bid for a hat-trick of titles at Melbourne Park on Wednesday and reached her maiden Australian Open semi-final with a 6-1, 5-7, 6-0 win.
Fourth seed Maria Sharapova overcame a second set rally by Petra Kvitova to advance to her third Australian Open final with a 6-2, 3-6, 6-4 victory on Thursday. She will now meet third seed Victoria Azarenka in the final on Saturday after the Belarusian earlier beat 2011 champion Kim Clijsters 6-4, 1-6, 6-3.
Aryna Sabalenka beat China's Zheng Qinwen 6-3 6-2 to retain the Australian Open women's singles title on Saturday.
Jannik Sinner kept alive his dream of becoming the first Italian to lift three Grand Slam singles trophies.
Defiant Djokovic still targeting Grand Slam wins after Australia setback
But defending champion, Andre Agassi at 33 years is still the man to beat.
Mirjana Lucic-Baroni offered no excuses for her meek departure from the Australian Open semi-finals at the hands of Serena Williams on Thursday, keener to discuss the career-high ranking that will follow her stunning run at Melbourne Park.
World number one Roger Federer will begin the defence of his Australian Open title against Argentine Diego Hartfield while women's top seed Justine Henin of Belgium takes on Aiko Nakimura of Japan in the first round.
Russia's Ekaterina Makarova etched her name into Australian Open folklore on Monday by stunning Serena Williams 6-2 6-3 in their fourth-round match to end the American's aura of invincibility at Melbourne Park.
Daniil Medvedev destroyed his racket and a net camera in a mid-match meltdown as he survived a huge scare against Thai wildcard Kasidit Samrej.
World number two Roger Federer lamented what could have been after he lost a thrilling five-set final to Rafa Nadal in the Australian Open on Sunday.
Defending champion Jannik Sinner dismissed eighth seed Alex de Minaur 6-3, 6-2, 6-1 to reach the Australian Open semi-finals and extend the country's decades-long wait for another homegrown singles winner at the Grand Slam on Wednesday.
Ukrania tennis player Yuliia Starodubtseva's home town of Kakhovka in southern Ukraine has been occupied by Moscow forces since the early days of the invasion, which Russia calls a special military operation.
Victoria is undergoing a second lockdown and has nearly 8,000 active COVID-19 cases, while NSW has about 800.
Novak Djokovic was seriously rattled early on by inspired American teenager Nishesh Basavareddy but rallied for a 4-6, 6-3, 6-4, 6-2 victory on Monday.
A marauding Rafael Nadal ended Stefanos Tsitsipas's trailblazing run at the Australian Open on Thursday, thrashing the 20-year-old Greek in a 6-2, 6-4, 6-0 masterclass to reach a fifth final at Melbourne Park.
A Hindu temple in Melbourne's Albert Park was vandalised with anti-India graffiti on Monday, days after the Shri Shiva Vishnu Temple in Carrum Downs was vandalised on January 16, Australia Today reported.
Coco Gauff eked out a victory to reach her first Australian Open semi-final on Tuesday.
Factbox on Italy's Jannik Sinner, who beat Germany's Alexander Zverev 6-3, 7-6(4), 6-3 in the Australian Open final
Alexander Zverev won the first set 7-6, but Novak Djokovic has been forced to withdraw from the match due to injury from the Australian Open semi-final on Friday.
Aryna Sabalenka overwhelmed Paula Badosa 6-4, 6-2 with a impressive display of raw power to reach her third successive Australian Open final on Thursday.
Karen Khachanov reached the semi-finals of the Australian Open for the first time on Tuesday after ailing American Sebastian Korda retired while trailing 7-6(5), 6-3, 3-0.
World number two Rafael Nadal will be sidelined for six to eight weeks by the hip flexor injury he suffered during his second-round loss at the Australian Open, the Spaniard's team said on Thursday.
Wild card Caroline Wozniacki, another former champion and returning mother, will play 20th seed Magda Linette.
'It's one of the most epic matches I have played on this court, on any court really.'
"(Novak) has said that he views this as a private matter for him. We would love to see Novak here, he knows that he'll have to be vaccinated to play here."
