| 1958 U.S. National Championships | ||||
|---|---|---|---|---|
| Date | 29 August – 7 September | |||
| Edition | 78th | |||
| Category | Grand Slam (ILTF) | |||
| Surface | Grass | |||
| Location | Forest Hills, Queens New York City, New York | |||
| Venue | West Side Tennis Club | |||
| Champions | ||||
| Men's singles | ||||
 Ashley Cooper[1] | ||||
| Women's singles | ||||
 Althea Gibson | ||||
| Men's doubles | ||||
| Alex Olmedo /Ham Richardson | ||||
| Women's doubles | ||||
| Jeanne Arth /Darlene Hard | ||||
| Mixed doubles | ||||
| Margaret Osborne /Neale Fraser | ||||
| ||||
The1958 U.S. National Championships (now known as theUS Open) was atennis tournament that took place on the outdoor grass courts at theWest Side Tennis Club, Forest Hills inNew York City, New York. The tournament ran from 29 August until 7 September. It was the 78th staging of theU.S. National Championships, and the fourthGrand Slam tennis event of the year.
Ashley Cooper defeatedMalcolm Anderson 6–2, 3–6, 4–6, 10–8, 8–6
Althea Gibson defeatedDarlene Hard 3–6, 6–1, 6–2
Alex Olmedo (USA) /Ham Richardson (USA) defeatedSam Giammalva (USA) /Barry MacKay (tennis) (USA) 3–6, 6–3, 6–4, 6–4[2]
Jeanne Arth (USA) /Darlene Hard (USA) defeatedAlthea Gibson (USA) /
Maria Bueno (BRA) 2–6, 6–3, 6–4[3]
Margaret Osborne (USA) /Neale Fraser (AUS) defeatedMaria Bueno (BRA) /Alex Olmedo (USA) 6–4, 3–6, 9–7[4]
| Preceded by | Grand Slams | Succeeded by |