Jo Janssen boxer
- bouts
- 3
- won
- 2
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1920-11-13
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1889-12-20
- Death
- -
- Nationality
- Netherlands
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1922-12-19 | Bas Hijzelendoorn | WLLWLL | Haagsche Zoo, Den Haag | LOST Technical knockout |
| 1922-10-02 | Bas Hijzelendoorn | WLLW | Haagsche Zoo, Den Haag | WIN |
| 1920-11-13 | Karel de Jager | WWLDLD | Algemeen Verkooplokaal, Rotterdam | WIN Points |