Johnny Risko boxeur
- combats
- 23
- gagnés
- 8
- perdus
- 11
- match nul
- 4
- Situation
- inactive
- Division
- light heavyweight
- Début
- 1948-11-29
- Taille
- -
- Allonge
- -
- âge
- -
- Né
- -
- Décès
- -
- Nationalité
- South Africa
| Date | Adversaire | Derniers résultats des adversaires | Lieu | Result |
|---|---|---|---|---|
| 1953-01-31 | Hennie Claasens | debut | Wembley Stadium, Johannesburg | LOST KO |
| 1952-06-05 | Jack Krynauw | LLLLWW | City Hall, Pretoria | LOST Points |
| 1952-03-14 | Tony Liversage | LLWLLW | City Hall, Durban | LOST KO |
| 1951-09-15 | Jack Krynauw | LLLDLL | Wembley Stadium, Johannesburg | WIN Points |
| 1951-09-01 | George Hunter | LLWWLW | Feather Market Hall, Port Elizabeth | LOST Points |
| 1951-07-12 | Jack Krynauw | WLLLDL | Feather Market Hall, Port Elizabeth | WIN Points |
| 1951-04-14 | Gerry van Wyk | WWWLLL | Feather Market Hall, Port Elizabeth | LOST Points |
| 1951-03-07 | Johnny Arthur | WWWWWW | Rugby Grounds, Kroonstad | LOST KO |
| 1950-12-11 | Fred Vorster | LLLWLW | White City Gym, Johannesburg | LOST Points |
| 1950-11-28 | John L Botha | WLLLWL | City Hall, Durban | DRAW Points |
| 1950-11-11 | Adrian Scheepers | LLLWWL | Market Hall, Krugersdorp | DRAW Points |
| 1950-10-21 | Piet Strydom | WWDWWW | Wembley Stadium, Johannesburg | LOST Points |
| 1950-10-16 | Fanie van Vuuren | WLLLLL | White City Gym, Johannesburg | WIN Points |
| 1950-10-02 | Fanie van Vuuren | DWLLL | White City Gym, Johannesburg | WIN Technical knockout |
| 1950-09-25 | Adrian Scheepers | WLLLLL | White City Gym, Johannesburg | WIN Points |
| 1950-08-07 | Willie Steynberg | WLLWWL | White City Gym, Johannesburg | DRAW Points |
| 1949-08-27 | Terry O'Connor | WL | City Hall, Johannesburg | LOST Points |
| 1949-05-21 | Rusty Rossouw | debut | Clonmel Kennels, Johannesburg | WIN KO |
| 1949-01-26 | Fanie van Vuuren | debut | Clonmel Kennels, Johannesburg | DRAW Points |
| 1948-12-18 | Gerry Mulder | DWWWWW | City Hall, Johannesburg | LOST Points |
| 1948-11-30 | Isak Kukard | L | Wembley Stadium, Johannesburg | WIN KO |
| 1948-11-29 | Samuel Nel | LLWLD | Wembley Stadium, Johannesburg | WIN Technical knockout |