The 29-year-old’s Australian Open return was short-lived — and he warned it could be his last singles match in his homeland.

Why doesn't Nick Kyrgios have a coach? Kyrgios has always felt that he'd like to do things his own way. Despite his reputation for creating havoc, the 27-year-old has always felt

Nick Kyrgios hinted at retirement while talking to reporters after his first round loss in a return to the tennis court at the Australian Open on Monday, January 13.