Guillermo Contreras boxeur
- combats
- 10
- gagnés
- 0
- perdus
- 10
- match nul
- 0
- Situation
- inactive
- Division
- welterweight
- Début
- 1991-07-19
- Taille
- -
- Allonge
- -
- âge
- -
- Né
- -
- Décès
- -
- Nationalité
- Mexico
| Date | Adversaire | Derniers résultats des adversaires | Lieu | Result |
|---|---|---|---|---|
| 2000-12-17 | Victor Maciel | DLWLLL | Guadalajara | LOST Technical knockout |
| 2000-05-19 | Juan Carlos Sanchez | LLLWWW | Auditorio Benito Juarez, Los Mochis | LOST Unanimous decision |
| 2000-05-05 | Juan Carlos Sanchez | LLLLWW | LOST Technical knockout |
|
| 1998-12-18 | Jose Luis Cruz | WWWWWW | LOST KO |
|
| 1996-06-29 | Javier Santibanez | LWWWWW | Mexico City | LOST Technical knockout |
| 1996-02-24 | Eric Ramon Vazquez | WWLLWW | Mexico City | LOST Technical knockout |
| 1994-02-26 | Gabino Mendoza | LWWLWW | Mexico City | LOST Technical knockout |
| 1993-10-30 | Marco Antonio Lizarraga | WLLLLL | Ciudad Juarez | LOST Points |
| 1992-06-20 | Jesus Osuna | WWWWWD | LOST Points |
|
| 1991-07-19 | Rene Francisco Herrera | WWWLW | Gimnasio Municipal "Jose Neri Santos", Ciudad Juarez | LOST Unanimous decision |