The South Gate at the US Open is one of the two main entrances for the USTA Grounds. Away from the subway, the South Gate is directly in front of the Unisphere. It's also direct to Arthur Ashe Stadiun.
Visitors who enter at the South Gate will see the memorial walls highlighhting the US Open tennis greats, and see the Arthur Ashe statue, as they progress to the main promenade and Arthur Ashe Stadium.