Roberto Alfonso boxer
- bouts
- 3
- won
- 0
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1941-09-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Cuba
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1946-02-02 | Rosendo Perez | WWWW | Palacio de Deportes, Havana | LOST KO |
| 1943-01-20 | Rosendo Perez | debut | Arena Cristal, Havana | LOST KO |
| 1941-09-20 | Angel Lorenzo | W | Havana | LOST KO |