Oregon State swept its opponents at the SDSU/USD Challenge volleyball tournament in Southern California. The Beavers beat UTEP 3-0 and San Diego St. 3-1 on Friday. On Saturday, OSU knocked off No. 23 San Diego 3-2. OSU (9-2) hosts Seattle Tuesday, Sept. 18, 7:30 p.m. at Gill Coliseum in Corvallis. On Thursday, Oregon State goes to Oregon, 6 p.m., at Matthew Knight Arena in Eugene. The Civil War match will be broadcast on the Pac-12 Networks. On Sunday, the Beavers are scheduled to host Washington, 2 p.m. at Corvallis. Oregon won both of its matches against Hawaii in Honolulu. The Ducks won Thursday 3-0 and then Friday 3-2. Oregon (7-3) hosts OSU on Thursday, 6 p.m., and then Washington St. on Sunday, Sept. 23, noon on the Pac-12 Networks.