Jannik Sinner will launch his Australian Open title defence under a stubborn doping cloud but the whiff of scandal may do little to halt the Italian juggernaut. Sinner remains the man to beat at Melbourne Park even as doping officials seek a two-year ban for the world number one for failing two drugs tests last March.

Jannik Sinner, Carlos Alcaraz and Novak Djokovic lead the men’s field at the 2025 Australian Open. MELBOURNE, Australia — Here are some of the top men at the Australian Open, which starts at Melbourne Park on Sunday morning local time (Saturday night EST), with money-line odds via BetMGM Sportsbook:

Nick Kyrgios promised Jannik Sinner that he would turn their match into “an absolute riot” should the feuding pair meet at the Australian Open.