TUCSON, Ariz. -- Aari McDonald scored nine of her 19 points in the third quarter when No. 12 Arizona pulled away from Washington for a 64-53 victory Friday night for the Wildcats' 20th win.
Helena Pueyo had four 3-pointers and 14 points for the Wildcats (20-4, 9-4 Pac-12), who have won seven of their last eight games. Cate Reese had 13 points and a game-high seven rebounds, Amari Carter scored 10 points and Sam Thomas blocked a career-high six shots.
The Wildcats shot 49% and made half of their 18 3-point attempts.
Leading 32-26 at halftime, Arizona used a 9-0 run in the third to go ahead by double figures. Another 9-0 surge gave the Wildcats their largest lead of 19 with just under four minutes left in the game.
Amber Melgoza scored 22 points for the Huskies (11-13, 3-10), her 37th career 20-point game. Darcy Reese and Mai-loni Henson added 10 points each.
Arizona, then ranked No. 21, won at Washington 66-58 on Jan. 19.