Tia Presley reached 32 points for the third time in four games in leading Washington State over Oregon 108-88 on Sunday in Pullman.
The 108 points are the third-most in the history of the program and the 42 field goals made are a school record.
Presley was 13 of 17 from the floor as WSU shot 53 percent. Lia Galdeira scored 27 points, two shy of her season high. Mariah Cooks added 13 and Shalie Dheensaw added 12 and a career-high eight assists.
Washington State (15-13, 9-7 Pac 12) led by one at 44-43 after a first half in which neither team led by more than six points.
The Cougars took over midway through the second half. Tied at 64 with 10:18 left, WSU went on an 11-1 run, punctuated by Galdeira’s 3-pointer, to stretch the lead to 75-65. An 11-2 run late cemented the win.
The Cougars shot 66 percent in the second half while holding the Ducks to 33 percent in that time.
Katelyn Loper led Oregon (13-14, 4-12) with 22 points.
The Cougars’ 15 victories are the most since the 1995-96 team won 17.
Before the game, seniors Hana Potter, Brandi Thomas and Sage Romberg were honored as was senior student-manager Randyn Stutesman.
WSU ends the regular season with games at Cal on Thursday and Stanford on Saturday.
Oregon State 77, Washington 57: Ruth Hamblin scored 18 points and grabbed 14 rebounds to help the Beavers roll to a victory over the Huskies in Seattle.
OSU led by just one at 16-15 but the Beavers went on a 15-2 run, with seven points by Gabriella Hanson, to take a 31-17 lead and led the rest of the way. The Beavers built a 42-25 lead at halftime.
Deven Hunter scored 17 points and Hanson added 15 for Oregon State (19-9, 11-5 Pac-12), which has won seven straight and is tied with No. 20 Arizona State for third place in the conference. The Beavers host the Sun Devils next Sunday to conclude their regular season.
Kelsey Plum scored 26 points and Jazmine Davis added 19 to lead Washington (16-11, 9-7), which had a four-game winning streak snapped.
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