Chasson Randle scored 14 points and made 5 of 6 free throws late in the second half as Stanford (16-8, 7-5 Pac-12) rebounded from a loss Wednesday against Washington.
Que Johnson had 14 points and four 3-pointers, and DaVonte Lacy, a former star at Curtis High School, was well below his season average with 13 points as Washington State (9-16, 2-11) dropped its fourth straight.
Stanford jumped ahead 14-5 and extended its lead to 39-24 at halftime. Brown scored 20 in the first half, shooting 6 of 6 from the field, including four 3-pointers.
Stanford started the second just 1 of 10 from the field while Washington State cut the deficit to 49-44 at 9:17. But the Cougars got no closer from there.