In Tuesday's non-league challenge, the host Northwest Classen Knights volleyball team scored a 3-0 triumph over the Douglass Trojans.

The Knights (1-0) will now prepare for their challenge against Marshall (Oklahoma City, OK). The Bears come into the non-league challenge with a 1-0 record. In their last challenge, Marshall beat Capitol Hill (Oklahoma City, OK), 3-1, in a non-league challenge.

Next, the Trojans play the Chickasha Fighting Chicks (Chickasha, OK) in a non-league challenge, on Saturday, August 17. Douglass will attempt to upgrade on its 0-1 season record. The Fighting Chicks come into the challenge with a 0-2 record after their 3-1 non-league loss to Southeast (Oklahoma City, OK).