1939 U.S. National Championships (tennis)
| 1939 U.S. National Championships | |
|---|---|
| Date | 7–17 September |
| Edition | 59th |
| Category | Grand Slam (ITF) |
| Surface | Grass |
| Location | Forest Hills, Queens New York, United States |
| Venue | West Side Tennis Club |
| Champions | |
| Men's singles | |
 Bobby Riggs | |
| Women's singles | |
| Alice Marble | |
| Men's doubles | |
 Adrian Quist / John Bromwich | |
| Women's doubles | |
| Sarah Palfrey / Alice Marble | |
| Mixed doubles | |
| Alice Marble / Harry Hopman | |
The 1939 U.S. National Championships (now known as the US Open) was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York, United States. The tournament ran from 7 September until 17 September. It was the 59th staging of the U.S. National Championships and the fourth Grand Slam tennis event of the year.[1]
Finals
Men's Singles
Bobby Riggs defeated Welby van Horn 6–4, 6–2, 6–4
Women's Singles
Alice Marble defeated Helen Jacobs 6–0, 8–10, 6–4
Men's Doubles
Adrian Quist / John Bromwich defeated Jack Crawford / Harry Hopman 8–6, 6–1, 6–4 [2]
Women's Doubles
Sarah Palfrey / Alice Marble defeated 
Kay Stammers / Freda James Hammersley 7–5, 8–6 [3]
Mixed Doubles
Alice Marble / Harry Hopman defeated 
Sarah Palfrey / Elwood Cooke 9–7, 6–1 [4]