Bainbridge defeated Lakeside 4-0 in volleyball Monday in Seattle.
The Spartans won 25-20, 25-23, 14-25, 25-22.
Emma Burgess had 20 digs and two aces in the Bainbridge victory.
Lauren Sheehan added 15 kills and 12 digs, and Tess Haskin contributed nine kills and four blocks.
Maggie Haskin finished with 36 assists and 10 digs for the Spartans.
Bainbridge next faces Bishop Blanchet on Wednesday, Oct. 3 in Seattle.