Iga Swiatek, a self-described “control freak,” is taking new precautions — including holding on to extra samples of medicine she takes, in case they need to be tested at some point — after a doping case she describes as probably the worst time in her life.

In the week leading up to the Australian Open, Jannik Sinner defeated Greek Stefanos Tsitsipas in two sets (6-3, 7-6) in 1 hour and 23 minutes of play. The Italian tennis player thus won the

Jannik Sinner experienced a different approach to the Australian Open 2025 - the first Slam in which the Italian tennis player will have to defend the title won in the previous edition - compared to the feelings he felt last year.

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 actually is still not fully resolved — and Iga Swiatek.

Jannik Sinner and Iga Swiatek were both able to go for months last season without anyone knowing what was happening behind the scenes and that they'd failed doping tests.

Iga Swiatek says that her positive doping test was abstract to her as she did not know that medicine could be contaminated.

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.