William Develos boxer
- bouts
- 40
- won
- 26
- lost
- 12
- draw
- 2
- Status
- inactive
- Division
- bantamweight
- Debut
- 1978-12-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1957-00-00
- Death
- -
- Nationality
- Philippines
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1986-12-27 | Leon Collins | DWWLWW | Elorde Sports Center, Paranaque City | LOST KO |
| 1986-11-28 | Little Bangoyan | WWDWLL | Rizal Memorial Sports Complex, Manila | LOST Unanimous decision |
| 1986-04-16 | Bobby Pinos | LWLWLL | Elorde Sports Center, Paranaque City | WIN Points |
| 1986-01-23 | Kongtoranee Payakaroon | WWWWW | Rangsit | LOST KO |
| 1985-12-15 | Majie Bona | WWWWWW | Quezon City | WIN KO |
| 1985-10-16 | Flash Emmanuel | WLWWWD | Elorde Sports Center, Paranaque City | WIN Majority decision |
| 1985-08-25 | Bobby Pinos | LLLLLW | Paranaque City | WIN Unanimous decision |
| 1985-05-29 | Flash Emmanuel | WDWWLW | Elorde Sports Center, Paranaque City | LOST KO |
| 1985-04-19 | Audy Murphy | WLWWLL | Elorde Sports Center, Paranaque City | WIN KO |
| 1984-07-22 | Ju Do Chun | WWWWWW | Busan | LOST KO |
| 1984-06-12 | Pablo Pepito | DLLWWL | Elorde Sports Center, Paranaque City | WIN Unanimous decision |
| 1984-02-19 | Dong-Chun Lee | WDWWWW | Seoul | LOST Points |
| 1983-12-03 | Gil Ragas | DWWWWL | Elorde Sports Center, Paranaque City | WIN KO |
| 1983-09-17 | Sok-Chul Bae | WWWWWW | Seoul | WIN Points |
| 1983-07-29 | Ali Formentera | LLWLDW | Elorde Sports Center, Paranaque City | WIN KO |
| 1983-06-25 | Ric Tanza | DLLWWL | Elorde Sports Center, Paranaque City | WIN Points |
| 1983-04-08 | Fel Aporto | DWWLLL | Elorde Sports Center, Paranaque City | WIN KO |
| 1983-02-21 | Eijiro Murata | DWLWWW | Korakuen Hall | LOST Unanimous decision |
| 1982-10-15 | Fel Jardenil | WWWWWL | Elorde Sports Center, Paranaque City | WIN Points |
| 1982-08-14 | Frank Cedeno | WWWDWL | Elorde Sports Center, Paranaque City | WIN Points |
| 1982-06-19 | Pablo Pepito | WWWLLL | Elorde Sports Center, Paranaque City | WIN Unanimous decision |
| 1982-05-01 | Eric Vildozoia | DW | Elorde Sports Center, Paranaque City | WIN KO |
| 1982-03-24 | Poker Perigrino | W | Eduardo's Super Club, Paranaque City | WIN Points |
| 1982-01-17 | Bobby Berna | WDWWLL | Elorde Sports Center, Paranaque City | LOST Technical knockout |
| 1981-10-17 | Soon Chun Kwon | WWWLWD | Seoul | LOST Points |
| 1981-06-12 | Suvan Muangsurin | W | Rizal Memorial Sports Complex, Manila | WIN Technical knockout |
| 1981-04-01 | Bobby Berna | WWWWWW | Araneta Coliseum, Barangay Cubao, Quezon City | DRAW Majority decision |
| 1980-12-20 | Ali Baba Lukklongtan | L | Elorde Sports Center, Paranaque City | WIN KO |
| 1980-10-15 | Yung-Shik Kim | LWWWWW | Araneta Coliseum, Barangay Cubao, Quezon City | WIN Split-decision |
| 1980-07-04 | Jimmy Boy | WLWLLL | Manila | WIN KO |
| 1980-06-06 | Takenao Nakajima | WLDWLD | Manila | WIN Points |
| 1980-02-15 | Little Aguilar | WWLWWW | Rizal Memorial Coliseum, Manila | LOST Technical knockout |
| 1979-12-07 | Chancheong Borkorsor | WL | Rizal Memorial Sports Complex, Manila | WIN KO |
| 1979-10-19 | Arnel Arrozal | WWDWWW | Araneta Coliseum, Barangay Cubao, Quezon City | LOST Technical knockout |
| 1979-08-26 | Tae-Shik Kim | WWWWWW | Seoul | LOST KO |
| 1979-07-28 | Kap-Chul Shin | L | Changchung Gymnasium, Seoul | DRAW Points |
| 1979-05-26 | Frank Cedeno | WWWLWW | Calauag | WIN Points |
| 1979-04-27 | Diony Diaz | debut | Rizal Memorial Sports Complex, Manila | WIN Unanimous decision |
| 1979-01-12 | Allan Jardenil | debut | Rizal Memorial Coliseum, Manila | WIN Points |
| 1978-12-06 | Peter Siscon | WWL | Manila | WIN Points |