1939 U.S. National Championships – Men's singles
| Men's singles | |
|---|---|
| 1939 U.S. National Championships | |
| Champion | Bobby Riggs |
| Runner-up | Welby Van Horn |
| Score | 6–4, 6–2, 6–4 |
Bobby Riggs defeated Welby Van Horn 6–4, 6–2, 6–4 in the final to win the men's singles tennis title at the 1939 U.S. National Championships.