SportAussie legend’s impact on Greek star admin2 years ago01 mins Nine’s experts discuss how Mark Philippoussis has been able to impact Stefanos Tsitsipas since joining his camp.January 27, 2023 — 1.49pmPost navigationPrevious: ‘Pretty appealing’: AFL legend opens up on code swap, new gig with Melbourne StormNext: Semifinal Highlights: Krejcikova/Siniakova v Kostyuk/Ruse