50.United States National Championships
Boston Garden, Boston
April 8-10, 1940
Semifinals
| 1940-04-10 | 50,8kg | Johnny Manalo | Eddie De Angelis | PTS |
| 1940-04-10 | 50,8kg | Dado Marino | Alvin Barker | PTS |
| 1940-04-10 | 53,5kg | John Chimera | Bat Cullison | PTS |
| 1940-04-10 | 53,5kg | Angelo Ambrosano | Lucas Pasion | PTS |
| 1940-04-10 | 57,2kg | Frank Robinson | Harold Harris | PTS |
| 1940-04-10 | 57,2kg | Yasuki Yasutake | Art Foster | PTS |
| 1940-04-10 | 61,2kg | Tommy Moyer | Beauford Glover | PTS |
| 1940-04-10 | 61,2kg | Paul Matsumoto | Richie Shinn | PTS |
| 1940-04-10 | 66,7kg | Ernie Derho | James Mulligan | PTS |
| 1940-04-10 | 66,7kg | Henry Brimm | Johnny Lawer | PTS |
| 1940-04-10 | 72,6kg | Joey Maxim | Milton Jones | PTS |
| 1940-04-10 | 72,6kg | Louis Angelucci | Harry Benoit | PTS |
| 1940-04-10 | 79,4kg | Victor Hutton | Vern Price | PTS |
| 1940-04-10 | 79,4kg | Jim Reddick | Raymond Quintal | PTS |
| 1940-04-10 | +79,4kg | Charles Williams | Emanuel Williams | KO 2 |
| 1940-04-10 | +79,4kg | Wallace Cross | James Strayham | TKO 2 |
Finals
| 1940-04-10 | 50,8kg | Johnny Manalo | Dado Marino | PTS |
| 1940-04-10 | 53,5kg | Angelo Ambrosano | John Chimera | PTS |
| 1940-04-10 | 57,2kg | Frank Robinson | Yasuki Yasutake | KO 1 |
| 1940-04-10 | 61,2kg | Paul Matsumoto | Tommy Moyer | PTS |
| 1940-04-10 | 66,7kg | Henry Brimm | Ernie Derho | PTS |
| 1940-04-10 | 72,6kg | Joey Maxim | Louis Angelucci | PTS |
| 1940-04-10 | 79,4kg | Victor Hutton | Jim Reddick | PTS |
| 1940-04-10 | +79,4kg | Wallace Cross | Charles Williams | PTS |
source: "Chicago Tribune" - April 11, 1940 (page 28)