K.O
| Name: K.O. | |
| Title: Fight 4 | |
| Date: Dec 11, 2010 | Time: 1:00 PM PST |
| Location: Jose Antonio Basso Municipal Sports Gymnasium, Apucarana, Parana, Brazil | |
| Promotion: K.O. Fight | |
Siderland Lima da Silva vs Duarte Guerra
Main Event Fight
Decision (Unanimous) Round: 3 Time: 5:00
Costa Silva de Oliveira vs Pontes
Co-Main Event Fight
TKO (Punches) Round: 1 Time: 3:04
