Roger Federer's former coach Ivan Ljubicic has warned Jannik Sinner could struggle to regain peak condition for his title defence at the US Open next week. Defending champion Sinner's preparations for ...

The ways that a bloodstain behaves could point out the speed and angle at which blood splattered onto a fabric, a helpful ...

This individual, a former US Open finalist, has split with his coach after working together for 18 months. Kei Nishikori, former ATP number four, announced his split from coach Thomas Johansson on ...