The 1917 U.S. National Championships, officially renamed that year to National Patriotic Tournament, 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 20 until August 25. It was the 37th staging of the U.S. National Championships and due to World War I the only Grand Slam tennis event of the year. US Open 1917: August 20–20, 1917 at West Side Tennis Club (M) Philadelphia Cricket Club (W). Men's singles: Robert Lindley Murray. Women's singles: Molla Bjurstedt — 3rd major title. Wiki link