Guillermo Pizarro boxer
- bouts
- 20
- won
- 0
- lost
- 19
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 1949-01-01
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1920-04-15
- Death
- -
- Nationality
- Chile
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1953-10-14 | Nelson de Oliveira | WWWDW | Ginásio do Estádio Pacaembu, Sao Paulo | LOST |
| 1953-09-30 | Pedro Galasso | WWWWWW | Ginásio do Estádio Pacaembu, Sao Paulo | LOST KO |
| 1953-09-21 | Kaled Curi | DWLWWW | Palácio de Aluminio, Río de Janeiro | DRAW Points |
| 1952-09-01 | Nestor Rizzetti | WL | Mar del Plata | LOST Technical knockout |
| 1952-08-01 | Andres Saliadarre | WWWWWW | Rosario | LOST Technical knockout |
| 1952-03-01 | Oscar Pita | WWWWWW | Rosario | LOST Points |
| 1951-12-14 | Adalberto Ochoa | WWWWWW | Lomas de Zamora | LOST Points |
| 1951-11-17 | Rafael Ferro | DLLWWW | Club Ramon Santamarina, Tandil | LOST Technical knockout |
| 1951-09-29 | Ricardo Villanueva | WWWWWW | Estadio Luna Park, Buenos Aires | LOST Points |
| 1951-06-06 | Adalberto Ochoa | WWWWWW | Lomas de Zamora | LOST Points |
| 1951-05-01 | Hector Pedro Rodriguez | WWD | Montevideo | LOST Points |
| 1951-03-01 | Ricardo Villanueva | WWWW | Buenos Aires | LOST Points |
| 1950-11-10 | Horacio Salvarezza | WWWWWW | Caseros | LOST Points |
| 1950-06-30 | Angel Olivieri | WWWWDD | Rio Cuarto | LOST Technical knockout |
| 1950-04-01 | Kaled Curi | WWW | Ginásio do Estádio Pacaembu, Sao Paulo | LOST Points |
| 1950-03-18 | Ralph Zumbano | WWWWWW | Ginásio do Estádio Pacaembu, Sao Paulo | LOST Technical knockout |
| 1949-12-03 | Ralph Zumbano | WWWWW | Ginásio do Estádio Pacaembu, Sao Paulo | LOST Points |
| 1949-08-27 | Juan Olmedo | WWWWWD | Buenos Aires | LOST Points |
| 1949-05-28 | Juan Olmedo | WW | Buenos Aires | LOST Points |
| 1949-01-01 | Julio Cesar Salcedo | debut | LOST Points |