Mats Wilander believes Nick Kyrgios has the capability of causing a 'big upset' in the Australian Open, but has raised concerns about the Aussie star's fitness. Kyrgios' first-round match against Jacob Fearnley next week will be his first match in a major tournament in over two years.

Nick Kyrgios faces another injury setback in his planned return to Grand Slam tennis at the Australian Open after an abdominal strain forced him to withdraw from an exhibition with Novak Djokovic this

Nick Kyrgios has withdrawn from an exhibition event with Novak Djokovic scheduled for Thursday due to an abdominal strain, casting more doubt on the former Wimbledon finalist's chances of making his Australian Open comeback this month.

Nick Kyrgios’ planned return to Grand Slam tennis at the Australian Open is in doubt after he sustained an abdominal injury and was forced to withdraw from an exhibition with Novak Djokovic this week.