Isidoro Gastanaga boxer
- bouts
- 103
- won
- 64
- lost
- 36
- draw
- 2
- Status
- inactive
- Division
- heavyweight
- Debut
- 1926-03-07
- Height
- 6′ 1″/185cm
- Reach
- 88″/224cm
- Age
- 37
- Born
- 1906-05-15
- Death
- 1944-03-30
- Nationality
- Spain
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1943-07-18 | Arturo Godoy | LWLWWW | La Paz | LOST Technical knockout |
| 1939-09-23 | Jamaica Carnera | LLWLLD | Girardot | LOST KO |
| 1939-04-24 | Jeronimo Trivino | D | Teatro Colombia, Barranquilla | WIN KO |
| 1939-04-02 | Juan Valdez | debut | WIN KO |
|
| 1938-12-18 | Jamaica Carnera | DLLWLL | Barranquilla | DRAW Points |
| 1938-11-20 | Jamaica Carnera | WDLLWL | Barranquilla | WIN KO |
| 1938-10-22 | Tiger Jack Fox | WWWWWW | Rose Gardens Stadium, Kingston | LOST KO |
| 1938-07-16 | Goyito Rico | WLLWWL | Camaguey | NC No Contest |
| 1938-04-29 | Roscoe Toles | WLWWDW | Olympia Stadium, Detroit | LOST Technical knockout |
| 1938-01-29 | Goyito Rico | LWLWWL | Arena Cristal, Havana | WIN KO |
| 1937-12-07 | John Henry Lewis | WWWWLW | Arena, Saint Louis | LOST Technical knockout |
| 1937-10-15 | John Henry Lewis | WWWWWW | Olympia Stadium, Detroit | WIN Unanimous decision |
| 1937-08-31 | Lorenzo Pack | LLWWWW | University of Detroit Stadium, Detroit | WIN KO |
| 1937-08-19 | Otis Thomas | WWWLLW | Municipal Auditorium, Saint Louis | LOST Corner retirement |
| 1937-07-16 | Otis Thomas | WWWWLL | Municipal Auditorium, Saint Louis | LOST Split-decision |
| 1937-04-13 | Roberto Roberti | LLLLLL | Benjamin Field Arena, Tampa | WIN KO |
| 1937-02-18 | Gene Bonin | WDDLWW | Beach Arena, Miami Beach | WIN Technical knockout |
| 1937-02-04 | Joe Lipps | WWWLLL | Benjamin Field Arena, Tampa | WIN KO |
| 1937-01-28 | Jake Denning | WWLLWL | Benjamin Field Arena, Tampa | WIN KO |
| 1937-01-07 | Barney Brock | WWLWWD | Benjamin Field Arena, Tampa | WIN KO |
| 1937-01-04 | Charlie Baisden | WLWLWL | Legion Coliseum, Sarasota | WIN Technical knockout |
| 1936-08-27 | Hank Hankinson | WLWWLW | Denver | LOST KO |
| 1936-05-27 | Steve Dudas | WWLLLW | Ebbets Field, Brooklyn | LOST Technical knockout |
| 1936-04-25 | Steve Dudas | LWWWLL | Ridgewood Grove, Brooklyn | WIN KO |
| 1936-03-06 | Primo Carnera | WWLWWW | Madison Square Garden, New York | LOST Technical knockout |
| 1935-10-12 | Joe Sekyra | WWLWWL | Arena Cristal, Havana | WIN KO |
| 1935-09-14 | Hans Birkie | LLWLLW | Arena Cristal, Havana | WIN Points |
| 1935-07-14 | Hans Birkie | LLLWLL | Oriental Park, Havana | LOST Points |
| 1935-05-09 | Young John Herrera | WWWWWW | Havana | WIN KO |
| 1935-05-04 | Goyito Rico | WLWWLL | Havana | WIN Technical knockout |
| 1935-04-06 | Goyito Rico | WWLWWL | Arena Cristal, Havana | WIN Technical knockout |
| 1935-02-15 | Piet Van Gool | LLLDLL | Élysée Montmartre, Paris | WIN Technical knockout |
| 1935-02-09 | Gustave Limousin | LLWWWW | Charleroi | LOST Points |
| 1935-02-01 | Federico Malibran | LLWLLL | Élysée Montmartre, Paris | WIN KO |
| 1934-11-30 | Hans Schoenrath | DLLDLL | Tennis Halle | WIN Technical knockout |
| 1934-11-21 | Pierre Charles | LWWWWW | Brussels | LOST Points |
| 1934-09-26 | Michele Bonaglia | WLWDLW | Teatro Circo Olympia, Barcelona | WIN KO |
| 1934-08-26 | Hans Schoenrath | DWDDLL | Sandbahn Lokstedt | DRAW Points |
| 1934-08-08 | Joe La Roe | LWWWLW | Teatro Circo Olympia, Barcelona | WIN KO |
| 1934-06-17 | Alfred Sauvage | WWWDWW | Arenes d'Eckmühl, Oran | WIN KO |
| 1934-05-04 | Vincenz Hower | WWWWWL | WIN Technical knockout |
|
| 1933-12-23 | Soren Petersen | WWLLLW | Frontón Jai-Alai, Madrid | WIN KO |
| 1933-11-11 | Riccardo Bertazzolo | LLLLLL | Frontón Jai-Alai, Madrid | WIN Technical knockout |
| 1933-08-17 | Patsy Perroni | WWWWWW | Madison Square Garden, New York | LOST Points |
| 1933-07-05 | Les Kennedy | DLWLWL | Fugazy Bowl, Brooklyn | WIN KO |
| 1933-06-20 | Vincenz Hower | WWLWWL | WIN KO |
|
| 1933-04-21 | Tommy Loughran | LLWLWW | Chicago Stadium, Chicago | LOST Points |
| 1933-04-03 | Joe Doctor | WLLLLL | White City Arena, Chicago | WIN KO |
| 1933-02-24 | Babe Hunt | WWLLWW | Coliseum, Chicago | WIN Technical knockout |
| 1933-01-30 | Joe Sekyra | WLLLWL | Valley Arena, Holyoke | LOST Technical knockout |
| 1933-01-16 | Don 'Red' Barry | WWLWWW | Valley Arena, Holyoke | LOST Unanimous decision |
| 1932-09-01 | Hans Birkie | LLWLLL | Queensboro Stadium, Long Island City, Queens | LOST Split-decision |
| 1932-08-09 | Charley Retzlaff | WWWWWW | Queensboro Stadium, Long Island City, Queens | WIN KO |
| 1932-06-15 | Hans Birkie | LWLLLW | Queensboro Stadium, Long Island City, Queens | WIN Points |
| 1932-01-31 | Jack Rinzack | debut | Stadium Tandil, Tandil | WIN Technical knockout |
| 1931-12-27 | Michele Bonaglia | LWLLLL | Buenos Aires | LOST Points |
| 1931-12-02 | Siska Habarta | debut | Tandil | WIN KO |
| 1931-07-03 | Vicente Olivieri | WLLLL | Santiago Del Estero | LOST Points |
| 1931-05-05 | Domenico Ceccarelli | WWLWW | Buenos Aires | LOST Points |
| 1931-05-01 | Jose Carattoli | LWLWWW | Club Atlético Estudiantes de La Plata, La Plata | LOST Technical knockout |
| 1931-02-20 | Jose Concha | WLWWLW | Buenos Aires | WIN Points |
| 1931-02-12 | Guillermo Silva | WWWLWW | Buenos Aires | WIN Technical knockout |
| 1931-02-02 | Raul Bianchi | WWLLWL | Buenos Aires | LOST |
| 1931-01-16 | Domenico Ceccarelli | WWWLW | Buenos Aires | LOST Points |
| 1931-01-04 | Raul Bianchi | WWWLLW | Buenos Aires | WIN KO |
| 1930-12-09 | Guillermo Silva | DWWWLW | Montevideo | LOST Points |
| 1930-09-06 | Mauro Galusso | WWLWWW | Montevideo | WIN Technical knockout |
| 1930-06-15 | Domenico Ceccarelli | WWWW | Buenos Aires | WIN KO |
| 1930-05-07 | Vicente Parrile | L | LOST |
|
| 1930-03-08 | Mike McTigue | WLWLLW | Arena Polar, Havana | WIN KO |
| 1930-02-08 | Martin Perez | LWWDWL | Arena Colon, Havana | WIN KO |
| 1930-01-03 | Cracker Jack Webb | WLDWLL | Nuevo Fronton, Havana | WIN KO |
| 1929-11-06 | Marcel Moret | LWWLLL | Frontón Jai-Alai, Madrid | WIN KO |
| 1929-09-28 | Luigi Buffi | WLWWWW | Frontón Euskalduna, Bilbao | WIN Points |
| 1929-08-24 | Luigi Buffi | LWLWWW | Estadio Municipal de Atocha, San Sebastian | LOST Corner retirement |
| 1929-08-03 | Luigi Buffi | LLWLWW | Estadio Municipal de Atocha, San Sebastian | LOST |
| 1929-06-23 | Luigi Buffi | LLLWLW | Plaza de Toros, Tolosa | LOST Technical knockout |
| 1929-05-25 | Mauro Galusso | WLWWWW | Parque Romano, Buenos Aires | WIN KO |
| 1929-04-18 | Victorio Campolo | WWWWLW | Parque Romano, Buenos Aires | LOST KO |
| 1929-02-05 | Johnny Cipry | LLWLL | Buenos Aires | WIN KO |
| 1929-01-06 | Carlos Oldani | WLLW | Buenos Aires | WIN KO |
| 1928-12-05 | Juan Moragues | LLLW | Club Ferro Carril Oeste, Buenos Aires | WIN KO |
| 1928-11-17 | Alejandro Trias | LLLLLL | Club Ferro Carril Oeste, Buenos Aires | WIN KO |
| 1928-08-25 | Mateo de la Osa | WWLWWW | Frontón Jai-Alai, San Sebastian | LOST Technical knockout |
| 1928-06-27 | Jesus Rodriguez | LWWWLW | Teatro Circo Price, Madrid | LOST KO |
| 1928-05-25 | Gaston Lafont | WDLLWD | Salón Nuevo Mundo, Barcelona | WIN KO |
| 1928-05-02 | Andre Luneau | LWWLWL | Cine Monumental, Madrid | WIN KO |
| 1928-04-21 | Joe Thomas | WWWWLL | Frontón Urumea, San Sebastian | WIN KO |
| 1928-04-07 | Mateo de la Osa | WWWWW | Frontón Urumea, San Sebastian | WIN KO |
| 1928-03-10 | Ben Youssef | WLLWLW | Frontón Euskal-Jai, Pamplona | WIN KO |
| 1928-02-04 | Gaston Lafont | WDDWWL | Coliseo Albia, Bilbao | LOST Technical knockout |
| 1927-10-23 | Fred Narvaez | debut | Frontón Urumea, San Sebastian | WIN Technical knockout |
| 1927-03-19 | Maurice Forgeon | WWLDWL | Teatro Trueba, San Sebastian | WIN Points |
| 1926-12-04 | Laurent Mahieu | LLLLLL | Frontón Jai-Alai Moderno, San Sebastian | WIN Technical knockout |
| 1926-10-27 | Henri Froehner | LLDLWW | Teatro Circo Olympia, Barcelona | WIN KO |
| 1926-10-05 | Gabriel Pionnier | LLLLLL | Iris Park, Barcelona | WIN KO |
| 1926-09-11 | Victor Waintz | WLWLLL | Plaza de Toros de Las Arenas, Barcelona | LOST Corner retirement |
| 1926-07-17 | Enrico Vittorio | LLLWLL | Saint-Sébastien-sur-Loire | WIN Technical knockout |
| 1926-06-24 | Battling Mathar | LLLLL | Plaza de Toros, Tolosa | WIN Technical knockout |
| 1926-06-12 | Franck Maurice | LLLLLL | Teatro Bellas Artes, San Sebastian | WIN Technical knockout |
| 1926-04-10 | Maurice Forgeon | DLWDWL | Central Sporting Club, Paris | LOST KO |
| 1926-03-25 | Battling Laurent | LLWWLW | Grenelle Boxing Hall, Paris | WIN KO |
| 1926-03-07 | Maurice Griselle | WWWL | Central Sporting Club, Paris | LOST Points |
