Henk Onsla boxer
- bouts
- 6
- won
- 4
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- heavyweight
- Debut
- 1944-01-19
- Height
- -
- Reach
- -
- Age
- 26
- Born
- 1918-00-00
- Death
- 1944-07-19
- Nationality
- Netherlands
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1944-05-30 | Jan Hendriks | WLLLLD | Concertgebouw, Amsterdam | WIN Technical knockout |
| 1944-05-02 | Nico Diessen | LLDLLL | Gebouw Odeon, Rotterdam | LOST |
| 1944-03-27 | Toon de Pauw | DLLLL | Sociëteit De Harmonie, Groningen | WIN Technical knockout |
| 1944-02-28 | Jacobus Nolle | WWDLDL | Zalen Schaaf, Leeuwarden | LOST Points |
| 1944-02-15 | Florent Willems | WWLLLL | Concertgebouw, Amsterdam | WIN Points |
| 1944-01-19 | Florent Willems | LWWLLL | Gebouw Odeon, Rotterdam | WIN Points |