Jacobus Jack Jansen boxer
- bouts
- 6
- won
- 2
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- heavyweight
- Debut
- 1950-11-03
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- South Africa
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1955-02-07 | Piet Cilliers | debut | City Hall, Johannesburg | LOST Technical knockout |
| 1954-10-23 | Ewart Potgieter | WWW | Davies Stadium, Port Elizabeth | LOST KO |
| 1951-05-05 | Ray Sands | LWLWWW | City Hall, Pietermaritzburg | LOST Technical knockout |
| 1951-04-02 | Martin Maartens | WLLLL | Beach Tennis Courts, Durban | WIN Technical knockout |
| 1950-11-28 | Fanie van Vuuren | LLLWWW | City Hall, Durban | LOST KO |
| 1950-11-03 | Martin Maartens | WL | Beach Tennis Courts, Durban | WIN KO |
