The Latest: Federer, Serena lead off US Open third round

NEW YORK (AP) — The Latest on the U.S Open tennis tournament (all times local):
11:30 a.m.
Play has begun at the U.S. Open, with third-seeded Karolina Pliskova and seventh-seeded Kei Nishikori taking the courts under sunny skies and no rain in the forecast.
Pliskova’s third-round match against Ons Jabeur and Nishikori’s against Alex de Minaur kick off a dayside slate. Other day matches include third-seeded Roger Federer in Arthur Ashe Stadium against Daniel Evans, followed by N