Love him or hate him, Nick Kyrgios is good for tennis and the sport will get a boost from his return to Grand Slam action at the Australian Open — or so he says. “We watch sport because we want personalities.

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,