Juan Montalvo boxer
- bouts
- 8
- won
- 3
- lost
- 5
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1948-09-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1923-02-17
- Death
- -
- Nationality
- Argentina
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1952-12-03 | Julio Dartuqui | W | Buenos Aires | LOST KO |
| 1952-12-01 | Nestor Rizzetti | WLW | Mar del Plata | LOST KO |
| 1950-06-09 | Julio Cesar Salcedo | WWWWLW | Tandil | LOST KO |
| 1950-01-22 | Odemar Silva | debut | Sao Paulo | WIN KO |
| 1949-11-05 | Waldemar Baptista | LLLLLW | Palácio Metropolitano, Río de Janeiro | WIN KO |
| 1949-10-03 | Giacomo Boderone | LDDWLL | Campo do S. Cristóvão A.C., Río de Janeiro | LOST Points |
| 1948-11-20 | Jorge McCaddon | LWL | Estadio Luna Park, Buenos Aires | WIN Technical knockout |
| 1948-09-23 | Rafael Merentino | WD | Buenos Aires | LOST KO |