Alexander Zverev was comprehensively beaten by world No.1 Jannik Sinner in a one-side Australian Open final, before he was heckled by an member of the crowd as he prepared to make his post-match speech.
Alexander Zverev was comprehensively beaten by world No.1 Jannik Sinner in a one-side Australian Open final, before he was heckled by an member of the crowd as he prepared to make his post-match speech.