Jack Krynauw boxer
- bouts
- 37
- won
- 14
- lost
- 21
- draw
- 2
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1946-08-10
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- South Africa
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1953-07-24 | Carl du Toit | WWW | Olympia Ice Rink, Johannesburg | LOST KO |
| 1953-06-13 | Doug Miller | WWLLLL | City Hall, Johannesburg | LOST KO |
| 1953-05-02 | Mike Oberholzer | WLLLL | Bloemfontein | LOST Points |
| 1952-12-08 | Tony Liversage | LWLLWW | Rand Stadium, Johannesburg | LOST Corner retirement |
| 1952-06-05 | Johnny Risko | LLWLWL | City Hall, Pretoria | WIN Points |
| 1952-04-23 | Alex Weiss | LLWL | Wembley Stadium, Johannesburg | WIN Points |
| 1952-04-02 | Alex Weiss | LLW | Wembley Stadium, Johannesburg | WIN Points |
| 1951-12-08 | Fred Vorster | WLLWLD | Raylton Football Stadium, Harare (Salisbury) | LOST Points |
| 1951-11-03 | Joe Munro | WWWWWW | Rand Stadium, Johannesburg | LOST Points |
| 1951-09-15 | Johnny Risko | DLLLWL | Wembley Stadium, Johannesburg | LOST Points |
| 1951-07-12 | Johnny Risko | LDDLLL | Feather Market Hall, Port Elizabeth | LOST Points |
| 1951-03-09 | Joe Munro | LWWWWW | Town Hall, Roodepoort | LOST Technical knockout |
| 1951-01-22 | Fred Vorster | LWLWWL | Wembley Hall, Johannesburg | DRAW Points |
| 1950-12-16 | Gerry van Wyk | LWLWWW | City Hall, Durban | LOST Points |
| 1950-12-02 | Joe Munro | DLLWWW | Wembley Stadium, Johannesburg | LOST Points |
| 1950-11-07 | Joe Munro | WDLLWW | City Hall, Johannesburg | LOST Technical knockout |
| 1950-09-23 | Willie Steynberg | WLDWLW | Showgrounds, Brits | WIN Points |
| 1950-09-13 | Piet Strydom | LWWWDW | White City Gym, Johannesburg | LOST KO |
| 1950-07-08 | George Angelo | WWWWWL | Praça de Touros Monumental, Maputo | LOST Points |
| 1950-05-31 | Billy Wood | WWLDLL | Wembley Stadium, Johannesburg | WIN Points |
| 1950-05-06 | Willie Steynberg | LLWLLW | Town Hall, Klerksdorp | LOST Points |
| 1950-02-04 | Doug Miller | WWLWWW | Wembley Stadium, Johannesburg | LOST Points |
| 1949-12-17 | Gerry Mulder | WLLWLL | Wembley Stadium, Johannesburg | WIN KO |
| 1949-09-23 | Henry Moll | WDLD | P.A.M. Brink Stadium, Springs | WIN Points |
| 1949-08-31 | Doug Miller | DWLWWL | Caledonian Grounds, Pretoria | LOST Points |
| 1949-08-06 | Henry Moll | WDL | Wembley Stadium, Johannesburg | DRAW Points |
| 1949-07-25 | Alyn Groenewald | debut | City Hall, Cape Town | LOST |
| 1949-07-01 | Gerry Mulder | WWWLLW | Umbilo Stadium, Durban | WIN KO |
| 1949-06-27 | Fanie van Vuuren | DW | Palladium Theatre, Springs | WIN KO |
| 1949-06-10 | Fred Chrighton | D | RDLI Hall, Durban | WIN Technical knockout |
| 1949-05-21 | George Bissett | DWLWL | Clonmel Kennels, Johannesburg | WIN KO |
| 1949-01-26 | Hennie Mulder | L | Clonmel Kennels, Johannesburg | WIN Points |
| 1947-03-05 | Evvie Ehlers | debut | City Hall, Pretoria | LOST Technical knockout |
| 1946-12-21 | Japie Horn | debut | Wembley Stadium, Johannesburg | LOST Technical knockout |
| 1946-12-14 | Adrian Scheepers | WLL | Market Hall, Durban | WIN Points |
| 1946-11-14 | Ginger Rowe | LLDW | City Hall, Durban | WIN Technical knockout |
| 1946-08-10 | Joe Berg | debut | Olympia Ice Rink, Johannesburg | LOST Corner retirement |