Len von Gravenitz (Les Zinn) boxer
- bouts
- 7
- won
- 5
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1954-08-04
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- South Africa
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1957-03-20 | Evie Vorster | WWLWWW | City Hall, Johannesburg | LOST KO |
| 1956-12-01 | Cocky Bredenkamp | DWLWLL | Olympia Ice Rink, Johannesburg | WIN KO |
| 1956-10-29 | Piet Pieterse | WWLWWL | City Hall, Johannesburg | WIN Technical knockout |
| 1956-06-16 | Danie La Grange | WL | Olympia Ice Rink, Johannesburg | WIN KO |
| 1956-05-28 | Don Riggs | LLWWLL | City Hall, Johannesburg | WIN KO |
| 1956-03-03 | Fred Tissen | LLLL | Rand Stadium, Johannesburg | WIN Technical knockout |
| 1954-08-04 | Chris van Rooyen | LWWLWL | City Hall, Pretoria | LOST Corner retirement |