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, a new tennis serve entered the canon, the first ...

Sara Errani stands at the baseline and exhales deeply. She is about to hit a second serve, with Italy up match point against Poland. A place in the Billie Jean King Cup final is at stake. So Errani ...

It wasn’t the way the higher minds of American tennis drew it up when they set out on their mission to make mixed doubles a thing. They had their hearts set on a star-studded showdown, with singles ...

For better or for worse, definitely for richer, and for who knows how long, the reimagined, star-spangled U.S. Open mixed doubles tournament gets underway Tuesday, Aug. 19 at the Billie Jean King ...