Jack Sylvester boxer
- bouts
- 20
- won
- 13
- lost
- 6
- draw
- 1
- Status
- inactive
- Division
- featherweight
- Debut
- 1944-05-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1948-04-19 | Tommy Burgess | DLL | Sydney Stadium, Sydney | WIN Points |
| 1948-03-30 | Ken Beach | LLLLLW | Sydney Stadium, Sydney | LOST Points |
| 1946-04-04 | Ted Parsons | WWLLW | Leichhardt Stadium, Sydney | LOST Points |
| 1946-03-21 | Frank Ingram | LWWW | Leichhardt Stadium, Sydney | WIN Points |
| 1946-03-14 | Rex Stapleton | debut | Leichhardt Stadium, Sydney | WIN Points |
| 1946-02-28 | Toby McGarry | LWWWD | Leichhardt Stadium, Sydney | WIN |
| 1946-02-14 | Toby McGarry | LLWWW | Leichhardt Stadium, Sydney | DRAW Points |
| 1945-12-27 | Young Lobbo | LLLLLW | Leichhardt Stadium, Sydney | LOST Points |
| 1945-12-20 | Ted Parsons | LWWWW | Leichhardt Stadium, Sydney | WIN Points |
| 1945-03-17 | Sid Simpson | LDWDLL | Sydney Stadium, Sydney | LOST Points |
| 1945-01-13 | Tom Bidd | WWWWD | Sydney Stadium, Sydney | WIN Points |
| 1944-10-28 | Young Lobbo | WWWW | Sydney Stadium, Sydney | LOST Points |
| 1944-10-14 | Micky Davis | LLLWLD | Sydney Stadium, Sydney | WIN KO |
| 1944-09-09 | Les Essery | WL | Sydney Stadium, Sydney | LOST Points |
| 1944-08-19 | Reg Campbell | WLL | Sydney Stadium, Sydney | WIN Technical knockout |
| 1944-08-12 | Pat Tierney | debut | Sydney Stadium, Sydney | WIN KO |
| 1944-06-24 | Billy Skuthorpe | W | Newcastle Stadium, Newcastle | WIN KO |
| 1944-05-27 | Bob Hazel | LLWLWD | Newcastle Stadium, Newcastle | WIN Points |
| 1944-05-20 | Tommy Tier | WLLWWL | Newcastle Stadium, Newcastle | WIN Points |