Helmut Siewert boxeador
- combates
- 10
- ganados
- 1
- perdidos
- 7
- empates
- 2
- Estado
- inactive
- División
- heavyweight
- Debut
- 1926-09-26
- Altura
- -
- Alcanza
- -
- Edad
- -
- Nacimiento
- -
- Muerte
- -
- Nacionalidad
- Germany
| Fecha | Oponente | Resultados últimos oponentes | Lugar | Resultado |
|---|---|---|---|---|
| 1928-09-01 | Seal Harris | WWDLWW | Tennis Stadion, Prague | LOST Technical knockout |
| 1928-08-10 | Hans Bischoff | L | Ruett-Arena, Neukoelln | LOST Points |
| 1928-01-05 | Ludwig Bach | DDL | Ausstellungshalle, Dresden | DRAW Points |
| 1927-12-04 | Rudi Wagener | DDWWLL | Westfalenhalle, Dortmund | LOST Technical knockout |
| 1927-10-30 | Ludwig Haymann | DWWWWD | Westfalenhalle, Dortmund | LOST KO |
| 1927-08-14 | Walter Tauwel | WLWL | Stadion, Hamborn | DRAW Points |
| 1927-06-16 | Phil Scott | WWWWWW | Premierland, Whitechapel | LOST KO |
| 1927-05-09 | Tom Norris | WLWLWL | Alcazar, Edmonton | WIN KO |
| 1926-11-21 | Ted Sandwina | D | Jahrhunderthalle, Wroclaw | LOST Technical knockout |
| 1926-09-26 | Leon Sebilo | WLLLDL | Arena Westfalenhalle, Dortmund | LOST Points |