Carlos Alcaraz cruised to a 6-1 6-2 victory over Alexander Zverev in a rematch of last year’s Madrid Open final.
Carlos Alcaraz started the defence of his Miami Open title with a dominant straight-sets victory over Facundo Bagnis on Friday.
The ATP will take no action against Alexander Zverev after a 15-month investigation into allegations of domestic abuse found "insufficient evidence".
Alexander Zverev declared his Australian Open campaign already a success after claiming his first top-level victory since suffering a horrific injury last year.