Iga Swiatek explained why she used the phrase "personal issues" while serving her doping ban during the Fall of 2024.

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

Iga Swiatek, a self-described "control freak," is taking new precautions after a doping case she described as "probably, like, the worst time in my life." Jannik Sinner, meanwhile, acknowledged that his on his mind entering the season's first Grand Slam.

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.

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 professional tennis in 2024 and is still a talking point with the 2025 Grand Slam season set to open this weekend.