FILE - In this Sept. 8, 2019, file photo, Rafael Nadal, of Spain, returns a shot to Daniil Medvedev, of Russia, during the men&#039;s singles final at the U.S. Open tennis championships in New York. A high-ranking official for the U.S. Open tells the Associated Press that if the Grand Slam tennis tournament is held in 2020, she expects it to be at its usual site in New York and in its usual dates starting in August.  (AP Photo/Eduardo Munoz Alvarez, File)