1903 U.S. National Championships (tennis)
| 1903 U.S. National Championships | |
|---|---|
| Date | August 18–26 (M) June 24–27 (W) |
| Edition | 23rd |
| Category | Grand Slam |
| Surface | Grass |
| Location | Newport, R.I., United States (M) Philadelphia, PA, United States (W) |
| Champions | |
| Men's singles | |
| Laurence Doherty | |
| Women's singles | |
| Elisabeth Moore | |
| Men's doubles | |
| Reginald Doherty / Laurence Doherty | |
| Women's doubles | |
| Elisabeth Moore / Carrie Neely | |
| Mixed doubles | |
| Helen Chapman / Harry Allen | |
The 1903 U.S. National Championships (now known as the US Open) was a tennis tournament that took place in June and August of 1903. The women's tournament was held from June 24 to June 27 on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, Pennsylvania. The men's tournament was held from August 16 to August 24 on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. It was the 23rd United States National Championships and the second Grand Slam tournament of the year. British Laurence Doherty became the first non-US winner of the men's championship.