PULLMAN, Wash. (AP) - Nnemkadi Ogwumike scored 20 points as No. 4 Stanford beat Washington State 94-50 on Sunday, improving to 51-0 all-time against the Cougars.
Younger sister Chiney Ogwumike added 14 points and 10 rebounds for Stanford (14-2, 5-0 Pac-10), which has won eight straight games, including its historic win over No. 1 Connecticut that ended the Huskies' 90-game winning streak.
Jeanette Pohlen had 14 points for Stanford, while Joslyn Tinkle came off the bench to score 12 and Sarah Boothe 10.
Hana Potter had nine points to lead Washington State (4-14, 2-4 Pac-10), which saw its rare two-game league winning streak snapped. The Cougars shot just 24 percent.
Stanford shot 57 percent and dominated inside to keep Washington State the only Pac-10 team never to beat the Cardinal.
Stanford led 12-7 when Nnemkadi Ogwumike scored three straight baskets to kick off a 13-2 run that gave the Cardinal a 25-9 lead.
Washington State, which shot only 25 percent in the first half, finally got going on Ireti Amojo's 3-pointer, and outscored the Cardinal 15-13 the rest of the half to trail 38-24 at halftime.
Washington State trailed 44-32 early in the second half when Stanford scored 15 unanswered points in a 4-minute span to blow the game open at 59-32. Stanford made 7-of-8 shots during the run, including three baskets by Nnemkadi Ogwumike and two by Chiney.
Nnemkadi Ogwumaki, who leads the Pac-10 in scoring at 17 points per game, made 10-of-14 shots and added eight rebounds. Stanford outrebounded the Cougars 44-35.
The Cardinal have four players averaging in double figures, are third in the nation in shooting at 49 percent and are winning league games by an average of 22 points.
Washington State has not beaten a ranked opponent since 2001.