The 21-year-old will end 2016 at a career-high ranking of 13th, but the past year has been far from plain sailing.
Kyrgios won his first ATP 500 title at the Japan Open in October, but was given a three-week tournament ban barely a week later after giving up in Shanghai against Mischa Zverev.
The incident was not the first time Kyrgios has been accused of 'tanking' and Philippousis has become the latest onlooker to demand increased focus from his compatriot.
