When Carlos Alcaraz is on court for a training session, perhaps working on his newly revamped service motion, he's doing so to buttress a game already good enough to claim four Grand Slam titles.

Nick Kyrgios has vowed to turn his potential match against Jannik Sinner into "an absolute riot" if they meet at the Australian Open. Kyrgios, who has been a vocal critic of world No. 1 and defending champion Sinner over his two positive doping tests last year,

Nick Kyrgios has thrown down the gauntlet to World No. 1 Jannik Sinner ahead of the Australian Open, vowing to create chaos if they meet at Melbourne Park. Speaking on the Nothing Major podcast, Kyrgios declared: "I would just get every single person in the crowd to get on him.