New York crowds have seen all sides of Nick Kyrgios barring his best one at the US Open but fans may hope for more than a cranky cameo from the Australian firebrand this year. By the time the final Grand Slam of the calendar rolls around, Kyrgios is usually tired, jaded and battling homesickness, which makes an early exit from Flushing Meadows seem more of a relief than disappointment. Things may be different this year, though, as Kyrgios rounds off the most productive season of his rollercoaster career.