The 1930 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 28 until September 13. It was the 50th staging of the U.S. National Championships and the fourth Grand Slam tennis event of the year. US Open 1930: September 6–6, 1930 at West Side Tennis Club. Men's singles: John Doeg. Women's singles: Betty Nuthall. Wiki link