Mark Philippoussis tells Nick Kyrgios ‘to step it up’ or risk wasting talent
Mark Philippoussis defends Bernard Tomic’s ‘count my money’ comment
Mark Philippoussis's father charged, including two counts of sexual acts with a...
Police allege there are two victims of tennis coach
He allegedly molested two minors who took tennis lessons from him
Philippoussis is mentoring Kokkinakis in grasscourt play
Nick Kyrgios has admitted it was time he hired a coach.