The 1941 U.S. National Championships was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, New York. The tournament ran from August 30 until September 7. It was the 61st staging of the U.S. National Championships and due to World War II it was the only Grand Slam tennis event of the year. US Open 1941: August 30 – September 7, 1941 at West Side Tennis Club. Men's singles: Bobby Riggs — 3rd major title. Women's singles: Sarah Palfrey Cooke. Wiki link