NEW YORK (AP) — The Latest on the U.S. Open tennis tournament (all times local): 12:50 a.m. Marin Cilic, the 2014 champion, has moved into a third-round matchup of big servers against John Isner at Flushing Meadows with a 4-6, 6-3, 7-5, 6-3 victory over Cedrik-Marcel Stebe. The 22nd-seeded Cilic...