Washington Spirit’s first game at Audi Field will be a test case for more visits

Maureen Hendricks Field, the main stadium at the sprawling Maryland SoccerPlex in Montgomery County, offers seats within earshot of the players, an immaculate emerald surface and a grass slope behind one goal for picnic blankets and excitable kids.

It’s also 30 miles from the U.S. Capitol and inaccessible by public...