U.S. Open ticket prices are skyrocketing, from grounds passes to luxury seats. This is why‎

There’s one question that every type of U.S. Open fan is asking, from die-hard tennis wonks to executives who control corporate entertainment expenses: What’s up with these ticket prices? A quick glance at the fourth Grand Slam of the year’s website this week reveals sobering numbers for the first big day of action on Monday, Aug. 31. A grounds pass with no guaranteed seat on any court — stadium or otherwise — is going for over $360. The face value is $65. An upper-deck seat in Arthur Ashe Stadi