Sinya Hayakawa boxer
- bouts
- 5
- won
- 1
- lost
- 4
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1962-07-30
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1963-12-25 | Shigemasa Kawakami | WWLWWW | Korakuen Gym | LOST KO |
| 1963-11-01 | Yoshinori Takahashi | LWWWWW | Aomori City | LOST Points |
| 1963-08-25 | Fumio Kaizu | WLWWWW | Kitami | LOST KO |
| 1963-08-06 | Ken Sato | LWWLLL | Riki Sports Palace | WIN Points |
| 1962-07-30 | Takao Maemizo | WWWLWW | LOST KO |