The final match of the day saw American Learner Tien, playing in his first major outside of the U.S. Open, upset No. 5 seed Daniil Medvedev in a five-set classic, 6-3, 7-6, 6-7, 1-6, 7-6, that ended at 2:54 a.m. local time. Medvedev had reached three of the past four Australian Open finals, but could not fend off a ferocious Tien.

Defending champion Jannik Sinner lost his first set since October but recovered to beat Tristan Schoolkate and reach the third round of the Australian Open. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

Emma Raducanu suffered her worst ever loss at a Grand Slam at the hands of Iga Swiatek. The five-time Major winner thrashed Raducanu 6-1 6-0 in just 70 minutes. But Raducanu defended herself, claiming the scoreline was "harsh".

Jannik Sinner’s relationship with fellow tennis star and women’s world #14, Anna Kalinskaya, first made headlines in May, after Sinner confirmed the budding romance with local press. Reiterating his usual tone in relation to his off-court life, Sinner told media that while he was indeed “with Anna” they preferred to “keep everything confidential”.

Follow live text and radio commentary featuring Emma Raducanu, Iga Swiatek and Jannik Sinner in the Australian Open in Melbourne, Australia.

Taylor Fritz has no plans to deviate from his usual Grand Slam approach when he begins his Australian Open campaign and says he is focused on taking it one game at a time as he chases a first major title.

Defending champ Jannik Sinner drops set for first time since October, but rallies for win; American Danielle Collins plays villain while advancing.

World number one and defending champion Jannik Sinner roared back to surge into the Australian Open third round on Thursday as Iga Swiatek set up a showdown with Emma Raducanu. Taylor Fritz was an emphatic winner in his pursuit of a maiden major title but exciting 18-year-old Joao Fonseca was edged out in a five-set thriller.

In a new Daily Dose of Social Media, we explore the behind-the-scenes moments of Gael Monfils and Elina Svitolina supporting each other after achieving big upsets against the World No. 4 players,

In other men's results, Gael Monfils joined Roger Federer as the only men to reach the Australian Open's fourth round at age 38 or older since the tournament field expanded to 128 players in 1988, coming back to beat No. 4 seed Taylor Fritz 3-6, 7-5, 7-6 (1), 6-4.

The 23-year-old from Sesto Pusteria prevailed in three sets and will face Holger Rune on Monday for a place in the quarterfinals. The young Dane may be his most dangerous threat heading into the final, especially after Taylor Fritz's shocking elimination against Gael Monfils.