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

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

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.

“The AO is something that connects really well with New Balance because the mix of sport and culture they have is incredible,” Evan Zeder, New Balance director of global sports marketing for tennis, tells me. “I think the AO is a perfect mix and it is just a big party.”

Australian Open is showcasing a crop of young men's players who are better equipped for the changes in tennis than their elders.

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,

American tennis player Taylor Fritz is donating the prize money he earned for his first-round victory at the Australian Open — about $82,000 — to relief funds to help people affected by the wildfires in the greater Los Angeles area.

American tennis player Taylor Fritz said Thursday he is donating the prize money he earned for his first-round victory at the Australian Open -- about $82,000 -- to relief funds to help people affected by the wildfires in the Los Angeles area.

World no. 4 tennis player Taylor Fritz announced on Thursday that he plans to donate his first-round prize money of $82,000 from the Australian Open to support those affected by the wildfires in Los Angeles.