Blockx first Belgian man to reach U.S. Open quarter-finals
Alexander Blockx, of Belgium, celebrates winning a match against Francisco Cerundolo, of Argentina, during the fourth round of the U.S. Open tennis championships, Monday, Sept. 7, 2026, in New York. | Photo Credit: AP Alexander Blockx beat Francisco Cerundolo in four sets on Monday (September 7, 2026) to become the first Belgian man ever to reach the U.S. Open quarter-finals.The 21-year-old Blockx, seeded 28th in his Flushing Meadows debut, out-lasted 24th-seeded Cerundolo 6-3, 4-6, 7-5, 7-5.Blockx, who upset fifth-seeded Flavio Cobolli in the third round, backed up that win with a determined performance during which he received "magical medication" from…