SportTennisFooty philosophy' behind Sinner's triumphDarren Cahill has revealed his time with Port Adelaide prepared him to guide Australian Open champion Jannik Sinner to victory.January 30, 2024 — 9.59pmSaveLog in, register or subscribe to save articles for later.Save videos for laterAdd videos to your saved list and come back to them any time.Got itLoadingReplayReplay videoPlay videoPlay video