Novak Djokovic chases 25th Grand Slam trophy, while Coco Gauff aims for semifinals rematch against Aryna Sabalenka.

Nick Kyrgios returns to the Australian Open and plays Britain’s Jacob Fearnley in his first match at the tournament in three years. The controversial Australian has been sidelined for most of the past two years following knee and wrist surgeries - and claims the sport has been “mundane” in his absence.

Nick Kyrgios has hailed the ‘X factor’ of rising British tennis star Jacob Fearnley ahead of their first-round showdown at the Australian Open. Fearnley, 23, is set to feature in his second Grand Slam main draw having impressively pushed Novak Djokovic to four sets at Wimbledon last year.

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.

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: Jannik Sinner Seeding: 1 Career-Best Ranking: 1 Country: Italy Age: 23 2024 Record: 73-6 2024 Titles: 8 Career Titles: 18 Grand Slam Titles: 2 — Australian Open (1: 2024),

The two defending champions, Jannik Sinner and Aryna Sabalenka, enter the 2025 Australian Open as favorites to win in Melbourne again.

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.

Jannik Sinner begins his Australian Open title defence against Nicolas Jarry while women's champion Aryna Sabalenka takes on 2017 U.S. Open winner Sloane Stephens after the draw for the year's first Grand Slam was made at Melbourne Park on Thursday.