US Open: Frances Tiafoe, Taylor Fritz meet in all-American semis

NEW YORK— Frances Tiafoe and Taylor Fritz set up an all-American semifinal at the U.S. Open with victories Tuesday, guaranteeing the United States a man in the title match at the country’s Grand Slam tournament for the first time in 18 years. The 20th-seeded Tiafoe made it to the final four at Flushing Meadows for