Stefanos Tsitsipas’ poor run continued with a second-round defeat at the US Open, adding more drama to the opening week. The post Daniel Altmaier Fires Shots at Stefanos Tsitsipas After Heavy Underarm ...

Welcome back to the Monday Tennis Briefing, where The Athletic will explain the stories behind the stories from the past week on court. This week, the underarm serve ended a match and started some ...