Nick Kyrgios kept his Australian Open alive with an incredible comeback win after he stared tournament death in the face at two match points down. The Australian star defeated Ugo Humbert of France 5-7, 6-4, 3-6, 7-6, 6-4 on Wednesday night in a trademark fiery performance His renowned temper saw him docked a point for smashing two racquets and conduct a match-long argument with the umpire over the netcord let sensor. Kyrgios, 25, looked down and out when the Frenchman served for the match in the fourth set, but was rewarded for some aggressive strokeplay as he turned it around to the delight of a raucous hometown crowd on John Cain Arena.