Sports Australian Open 2021: Dominic Thiem tames Nick Kyrgios to reach last 16; Aslan Karatsev stuns Diego Schwartzman – Sports News , Firstpost News Desk February 12, 2021 Kyrgios produced a virtuoso performance in the first two sets, using every trick in the book, including underarm serves and tweeners, as he fed off the energy at a boisterous …