No. 19 Oregon 68, Washington State 61: E.J. Singler scored 19 points and the Ducks used a big second half to improve to 6-0 in conference play for the first time since 1926.

Arsalan Kazemi added 16 points as Oregon (17-2, 6-0 Pac-12) erased a 10-point halftime deficit to win its 19th straight game at home. Singler scored 10 straight Oregon points in a 10-2 run that gave the Ducks their first lead of the game, 48-46, with 11:45 to play.

The game was close the rest of the way until Kazemi hit a driving layup to give the Ducks a 64-57 lead with 2:29 to play. Washington State (10-9, 1-5 Pac-12) never got closer than five points the rest of the way.

The Cougars, who have lost the last four games in the series, were led by Mike Ladd with 19 points, but Ladd missed several crucial free throws down the stretch and finished 5-for-10 from the line. Brock Motum added 14 for Washington State.

Ladd had 14 points before the break and the Cougars finished the half on a 7-0 run to take a 39-29 lead into intermission.

GAME NOTEBOOK: Motum was 4-for-11 from the field. He has scored in double figures in every game this season. ...Washington State was 7-for-24 from 3-point range. ...Oregon freshman guard Damyean Dotson finished with 11 points, his fourth straight game in double figures.