List of champions of the 1897 U.S. National Championships tennis tournament (now known as the US Open). The men’s tournament was held from 16 August to 23 August on the outdoor grass courts at the Newport Casino in Newport Rhode Island. The women’s tournament was held from 15 June to 19 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia PA. It was the 18th U.S. National Championships and the second Grand Slam tournament of the year.