| Men's Singles | |
|---|---|
| 1943 U.S. National Championships | |
| Champion |
|
| Runner-up |
|
| Final score | 6–3, 6–8, 10–8, 6–0 |
Joseph Hunt defeated Jack Kramer 6–3, 6–8, 10–8, 6–0 in the final to win the Men's Singles tennis title at the 1943 U.S. National Championships.