Highlights of the fifth day of the Australian Open on Thursday (all times GMT): 1554 TEENAGER TIEN STUNS MEDVEDEV American qualifier Learner Tien held his nerve in a battle that lasted four hours and 49 minutes to stun Russian fifth seed Daniil Medvedev,

The Australian Open is one of the world's four Grand Slam tennis tournaments. Held annually in Melbourne, Australia, this tournament is the first of the four Grand Slam events each year, preceding the French Open,

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

Defending champion Jannik Sinner’s consecutive-sets streak has ended in the second round of the Australian Open.

Jannik Sinner has announced that he will part ways with his coach Darren Cahill at the end of the season. The Australian, who joined Sinner's team in July 2022, will conclude the 2025 campaign before stepping back from full-time tennis.

Virginia tennis alum Danielle Collins made headlines on Thursday at the 2025 Australian Open, but not as a result of her tennis performance in a 7-6, 4-6, 6-2 v

Danielle Collins has gotten into a back-and-forth with a booing crowd at the Australian Open after eliminating a local player