Tennis

U.S. Open

Begins

The Athletic has live coverage of the U.S. Open tennis tournament’s new mixed doubles format.

FLUSHING, N.Y. — Of all the players participating in the U.S. Open mixed doubles jamboree, Sara Errani and Andrea Vavassori would have the easiest time walking the streets of New York City, with barely anyone taking a glance, much less asking for a selfie or an autograph. That’s not the regular experience for two defending champions.