Djokovic, Sabalenka win season-openers but Kyrgios loses on return

Novak Djokovic and Aryna Sabalenka. —AFP/FileBRISBANE: Novak Djokovic and Aryna Sabalenka launched their Australian Open preparations with straight-sets wins on Tuesday at the Brisbane International but Nick Kyrgios lost on his return from injury.Former world number one Djokovic, who is…