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,

Reigning Australian Open champ and world No.1 Jannik Sinner says he’ll continue to “block” external criticism of his lenient doping ban as ardent critic Nick Kyrgios dropped another subtle sledge towards the Italian.