Riverside went 1-1 on Thursday night, moving to 7-4 on the season.
At Elgin, the Chargers defeated Nebraska Christian 25-22, 22-25, 25-23 and then fell to Elgin Public/Pope John 25-16, 25-18.
Against Nebraska Christian, sophomore Morgan Haschke had 12 kills while Maddie Walkowiak and Grace Schalk added 11 and 10 kills, respectively. Baylee Wlaschin had 36 set assists, and Alix Bloom had 10 digs.
Against the undefeated Wolfpack, which lead Class D1 in wildcard points, Walkowiak had seven kills and Wlaschin had 14 set assists and two solo blocks.