Rex O'Brien boxer
- bouts
- 2
- won
- 1
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- featherweight
- Debut
- 1934-04-24
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1938-10-29 | Len Martin | debut | Brisbane Stadium, Brisbane | WIN Points |
| 1934-04-24 | Charlie Mack | LWLDLL | Brisbane Stadium, Brisbane | LOST Technical knockout |