Aussie erupts in epic tantrum after US Open loss to Russian rival (VIDEO)
Nick Kyrgios could not contain his fury after losing to Karen Khachanov
Nick Kyrgios unleashed his anger after his US Open quarterfinal defeat to Russia's Karen Khachanov, obliterating two rackets in a row by hammering them into the court at Arthur Ashe Stadium.
Kyrgios, 27, had been installed by many as the ti