1899 U.S. National Championships (tennis)
The 1899 U.S. National Championships was a tennis tournament that took place in June and August of 1899.The women's tournament was held from June 21 to June 24 on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. The men's tournament was held from August 14 to August 21 on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. It was the 19th U.S. National Championships and the second Grand Slam tournament of the year.