Where: Flushing Meadows, NY
When: August 31 - September 13, 23015
More: The US Championships started with men's competition in 1881, and added women's in 1887. 2014 champions are the U.S' Serena Williams with her sixth title, and Marin Cilic of Croatia with his first ever win at a major.
Fun Fact: Through 2014, 36 different U.S. men - and 36 different U.S. women - have won singles titles at the Open / Championships.
Official: http://www.usopen.org