1890 U.S. National Championships (tennis)
List of champions of the 1890 U.S. National Championships. The men's singles and doubles competitions were held from 18 August to 27 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's singles and doubles competitions were held from 10 June to 13 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, PA. It was the 10th U.S. National Championships and the second Grand Slam tournament of the year.Finals
defeated Henry Slocum 6–2, 4–6, 6–3, 6–1Women's Singles
defeated Bertha Townsend 6–2, 6–2Men's Doubles
/ Clarence Hobart defeated Charles Carver / John Ryerson 6–3, 4–6, 6–2, 2–6, 6–3Women's Doubles
/ Ellen Roosevelt defeated Bertha Townsend / Margarette Ballard 6–1, 6–2
