Jan Klein boxer
- bouts
- 22
- won
- 8
- lost
- 12
- draw
- 2
- Status
- inactive
- Division
- heavyweight
- Debut
- 1943-01-11
- Height
- 6′ 5″/196cm
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Netherlands
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1951-11-25 | Al Bernard | LWWWLW | Oostende | LOST Points |
| 1951-02-18 | Werner Wiegand | WWWWWW | LOST KO |
|
| 1950-11-07 | Steve McCall | WLLL | Concertgebouw, Amsterdam | LOST KO |
| 1950-09-27 | Tommy Farr | LLWWWW | Ynysangharad Park, Pontypridd | LOST KO |
| 1950-06-25 | Jan Declercq | LLLDLL | Kasteel Spangen, Rotterdam | WIN Points |
| 1949-06-09 | Hein Wiesner | WWWWWW | Ice Rink, Vienna | DRAW Points |
| 1948-10-20 | Kurt Schiegl | LLWWWL | Palais des Sports, Brussels | LOST KO |
| 1948-07-28 | Kurt Schiegl | WLLWWW | RAI, Amsterdam | WIN KO |
| 1947-09-24 | Robert Eugene | LLLWL | Palais des Sports, Brussels | LOST Technical knockout |
| 1947-05-02 | Nico Diessen | LLWLWL | Apollohal, Amsterdam | WIN Technical knockout |
| 1947-03-22 | Piet Wilde | WLWWWW | Brugge | LOST Points |
| 1947-02-18 | Jack London | WLLLWW | Seymour Hall Baths, Marylebone | LOST KO |
| 1946-11-15 | Jacobus Nolle | LLLLDL | Concertgebouw, Amsterdam | WIN Technical knockout |
| 1946-09-23 | Dorus Elten | LLLLLL | Apollohal, Amsterdam | WIN Points |
| 1946-07-15 | Harry Staal | LLLLWL | Haagsche Zoo, Den Haag | WIN Points |
| 1946-03-18 | Gerard van Loon | WWLLLL | Rivièrahal, Rotterdam | LOST Technical knockout |
| 1946-03-01 | Nils Andersson | debut | Masshallen, Gothenburg | LOST KO |
| 1946-02-18 | George Mulder | LLLLLW | Rivièrahal, Rotterdam | WIN Technical knockout |
| 1946-01-21 | Rienus De Boer | LLLWLL | Rivièrahal, Rotterdam | DRAW Points |
| 1943-05-27 | Rienus De Boer | LWWLWW | Haagsche Zoo, Den Haag | LOST Points |
| 1943-04-14 | Nico Diessen | WLDLLD | Gebouw Odeon, Rotterdam | LOST Corner retirement |
| 1943-01-11 | Roel Erkelens | LLLLDL | Haagsche Zoo, Den Haag | WIN |