Last March, the top-ranked men’s player, Jannik Sinner, tested positive for clostebol, a banned anabolic agent, twice. The substance was quickly traced to a product that was used to treat a cut ...

The 3-time Grand Slam champion is recharging his batteries before returning to practice ahead of the Doha ATP 500, scheduled ...

The placement of support teams highlights the impact of coregulation on player performance. Winners benefited from close ...

Welcome back to the Monday Tennis Briefing, where The Athletic will explain the stories behind the stories from the past week ...