Kyrgios plots calmer course

MELBOURNE - Mercurial Nick Kyrgios wants to keep on an even keel as the pressure of home expectations weighs on him at this year's Australian Open in Melbourne.

The tempestuous 22-year-old would appear to have the talent to win his home Grand Slam but his brittle state of mind often malfunctions to his detriment.

Roger Federer rates Kyrgios as a threat to the established order in the year's opening major but says the volatile Australian is a work in progress.