When Carlos Alcaraz is on court for a training session, perhaps working on his newly revamped service motion, he's doing so to buttress a game already good enough to claim four Grand Slam titles.

The men's world No. 1 could face a two-year ban. Here's what to know about the doping proceedings against him so far

Former world number one Daniil Medvedev hopes to once again become a tennis "disruptor" by breaking the Grand Slam duopoly of young guns Jannik Sinner and Carlos Alcaraz. Medvedev was knocked out of three Grand Slams last year by the duo,

Doping is a topic that shadowed tennis in 2024 and is sure to be a talking point as the 2025 Grand Slam season gets going at the Australian Open.

It is a topic that shadowed tennis in 2024 and is still a talking point as the 2025 Grand Slam season opens at the Australian Open on Sunday (Saturday EST): doping and the cases involving Jannik Sinner — which is still not resolved — and Iga Swiatek.

World number one Jannik Sinner said on Friday he is still in the dark about his hearing at sport's highest court over a doping controversy that continues to weigh on his mind ahead of his Australian Open title defence.