Marty Puketapu scored her fifth goal of the season in the 30th minute and visiting Colorado (7-2-2, 1-1-0) beat Washington State (5-3-2, 0-2-0) 2-0 in a Pac-12 Conference game on Thursday.
WSU lost back-to-back games for the first time in 2017.
Colorado also benefited from a WSU own goal in the 52nd minute. Buffaloes goalie Jalen Tompkins made five saves for the clean sheet.
Makamea Gomera-Stevens generated three shots, one on goal, for the Cougars, while Ella Dederick made three saves.
WSU hosts No. 24 Utah on Sunday.
Washington 2, Utah 0: Pascale Dumesnil and Amanda Perez scored and Washington (8-3-0, 1-1-0) upended visiting No. 24 Utah (5-3-2, 0-1-1) 2-0 in Pac-12 play.
Sarah Shimer made five saves for the clean sheet. It was Washington’s second shutout of a ranked opponent this season.
The Huskies face Colorado at home on Sunday.
Gonzaga 3, Santa Clara 2: Sarah Penner had 15 kills, Jenna Kuehn and Faith Smith registered double-doubles and visiting Gonzaga (8-7, 3-0) outlasted Santa Clara (7-9, 0-4) in five sets (25-19, 24-26, 25-18, 18-25, 16-14) in a West Coast Conference match.
Smith had 26 assists with 18 digs while Kuehn added 25 assists with 14 digs and three blocks for the Zags.
Gonzaga plays at San Francisco on Saturday.
Northern Colorado 3, Eastern Washington 1: Regan Harr collected her third straight double-double but visiting Eastern Washington (5-7, 2-1) lost to Northern Colorado (9-7, 2-1) in four sets (26-24, 25-11, 22-25, 25-21) in Big Sky Conference play.
UNC has now claimed four straight from the Eagles.
Harr finished with 19 assists and 11 digs. Emma Dunn also had 19 assists for the Eagles. Megan LaFond set a career high with 26 digs, the first Eagle to record over 25 digs since Nov. 16, 2016. Ashley Seiler paced EWU with 16 kills.
Eastern hosts North Dakota on Saturday.
North Dakota 3, Idaho 0: Haylee Mathis surpassed 1,000 assists in her career but visiting Idaho (7-7, 2-1) fell to North Dakota (18-2, 3-0) in straight sets (25-22, 25-18, 25-21) in Big Sky action.
Mathis had 30 assists in the match to give her 1,012 for her career in her second season at Idaho. Mathis added 10 digs. Sarah Sharp led the Vandals with 12 kills and Alycia Wodke added 16 kills.
Idaho plays at Northern Colorado on Saturday.
Subscribe to The Spokesman-Review's sports newsletter
Get the day's top sports headlines and breaking news delivered to your inbox by subscribing here.