The 1923 U.S. National Championships was a tennis tournament that took place on the outdoor grass courts at the Germantown Cricket Club in Philadelphia, Pennsylvania, United States. The women's tournament was held from August 13 until August 18 while the men's tournament ran from September 10 until September 15. It was the 43rd staging of the U.S. National Championships and the third Grand Slam tennis event of the year. US Open 1923: September 10–10, 1923 at Germantown Cricket Club (MS) West Side Tennis Club (WS, WD) Longwood Cricket Club (MD, XD). Men's singles: Bill Tilden — 6th major title. Women's singles: Helen Wills Moody. Wiki link