Jan Goncza boxer
- bouts
- 13
- won
- 3
- lost
- 9
- draw
- 1
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1931-09-19
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Poland
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1935-07-18 | Janos Papp | WLL | Sportarena, Budapest | LOST KO |
| 1934-06-07 | Bruno Kmeciak | LWLWDW | Hotel Graf Reden, Chorzow | LOST Technical knockout |
| 1933-11-18 | K Podgorski Nowakowski | DLWLLD | Circus, Poznan | LOST KO |
| 1933-08-27 | Jan Wysocki | W | Teatr Nowosci, Warsaw | LOST Technical knockout |
| 1933-06-02 | Herbert Lamusik | LLLLL | Ogrod Brachmanskiego, Lipiny | LOST Points |
| 1933-03-02 | Jerzy Klarowicz | DLLLLW | Hotel Graf Reden, Chorzow | LOST Technical knockout |
| 1932-12-16 | Bruno Kmeciak | LWDLWL | Hotel Graf Reden, Chorzow | LOST Points |
| 1932-11-04 | Jerzy Klarowicz | LDLLLL | Prinz Heinrich Garten, Katowice | LOST Technical knockout |
| 1932-10-04 | Jerzy Klarowicz | LLDLLL | Prinz Heinrich Garten, Katowice | WIN Points |
| 1932-07-02 | Ernest Jokiel | LLWLLL | Hotel Graf Reden, Chorzow | WIN KO |
| 1932-04-04 | Ernest Jokiel | DLLWLL | Hotel Graf Reden, Chorzow | WIN KO |
| 1932-03-15 | Alojzy Gawlik | LLWWWW | Hotel Graf Reden, Chorzow | DRAW Points |
| 1931-09-19 | Alojzy Gawlik | WDLLLW | Hotel Graf Reden, Chorzow | LOST Technical knockout |