VERMILLION, S.D. (AP) — Hannah Sjerven scored 18 points with 11 rebounds and No. 21 South Dakota beat Western Illinois 88-51 on Thursday night for the Coyotes’ 12th consecutive victory.

Taylor Frederick added 13 points and Chloe Lamb and Ciara Duffy 11 each with Duffy adding seven assists. Madison McKeever was the fifth Coyote in double figures with 10. Duffy has scored in double figures in 24 of 25 games this season.

The Coyotes (23-2, 12-0 Summit League), outrebounded the Leathernecks (13-12, 7-5) by 20 in beating the Leathernecks for the sixth straight time.

The Coyotes led by nine at halftime and outscored the Leathernecks by 14 in the third quarter, starting the period on a 14-3 run with eight points from Sjerven. A 9-0 run to start the fourth put the Coyotes ahead by 32.

Elizabeth Lutz made five 3-pointers and scored 18 points with five steals for Western Illinois.