Iga Swiatek and Jannik Sinner discuss their doping cases ahead of the Australian Open

MELBOURNE, Australia (AP) — 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 described Friday as “probably, like, the worst time in my life.”

Jannik Sinner, another player who spent time at No. 1 and tested positive in 2024, said ahead of the Australian Open, where he’s the defending champion, that he hasn’t been told when the World...