List of champions of the 1890 U.S. National Championships (now known as the US Open). 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.
|1890 U.S. National Championships|
|Date||August 18–27 (M)|
June 10–13 (W)
|Location||Newport, R.I., United States (M) |
Philadelphia, PA, United States (W)
|Valentine Hall / Oliver Campbell|
|Grace Roosevelt / Ellen Roosevelt|
- Bud Collins (2010). The Bud Collins History of Tennis (2nd ed.). New York: New Chapter Press. pp. 454–483. ISBN 978-0942257700.
- Hall, Valentine G., ed. (1891). Wright & Ditson's Lawn Tennis Guide for 1891. Boston: Wright & Ditson. pp. 51–70 – via HathiTrust.
- "Tennis Championship" (PDF). The New York Times. June 13, 1890.
- "Ladies Who Play Tennis" (PDF). The New York Times. June 10, 1890.