Down here, it’s all about their own tennis yin and yang. One is a top 10-player who will do whatever he can to avoid controversy, while dedicating every ounce of his energy to the sport. The other is an unranked unicorn,

Nick Kyrgios reacted explosively to his struggles with injury in his opening round match at the Australian Open against Jacob Fearnley.

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