Wim Koster boxer
- bouts
- 9
- won
- 4
- lost
- 3
- draw
- 2
- Status
- inactive
- Division
- middleweight
- Debut
- 1932-11-07
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Netherlands
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1935-12-02 | John Ameling | WWLWLL | Gebouw van K&W, Rotterdam | LOST Technical knockout |
| 1935-11-04 | John Ameling | LWWLWL | Gebouw van K&W, Rotterdam | WIN |
| 1934-01-22 | John Ameling | W | Gebouw van K&W, Rotterdam | LOST KO |
| 1933-10-30 | Paul Wommelsdorf | WWLLDW | Gebouw van K&W, Rotterdam | DRAW Points |
| 1933-08-20 | Willy van der Rheydt | L | Sport-Arena, Herzogenrath | LOST Points |
| 1933-04-10 | Battling Sparendam | LWLLLL | Gebouw van K&W, Rotterdam | WIN Points |
| 1933-03-23 | Frans Diessen | LDLWLW | Haagsche Zoo, Den Haag | WIN Technical knockout |
| 1932-11-21 | Frans Diessen | WWLL | Algemeen Verkooplokaal, Rotterdam | DRAW Points |
| 1932-11-07 | Frans Diessen | WWL | Gebouw van K&W, Rotterdam | WIN |