CHAMPAIGN, Ill. (AP) — Ethan Happ scored 27 points on 12-of-20 shooting to lead Wisconsin to its 13th straight win over Illinois, 78-69 on Thursday night.

Brevin Pritzl scored 15 and Brad Davison added 14 points for the Badgers (11-15, 4-9 Big Ten). Happ, who averages 17.4 points per game, also had six rebounds, eight assists, two steals and three blocks.

Trent Frazier scored 32 points for the Illini (12-13, 2-10), and Leron Black added 13 points and 11 rebounds.

Frazier hit a 3-pointer to tie it with 11 minutes to play before Wisconsin used an 11-2 run to take a 63-54 lead six minutes later after Davison made a 3. Pritzl scored 10 points from there, including two long 3-pointers from the left wing, to seal it.

The Badgers shot 53 percent from the field, including 8 of 15 from 3-point range, and had 20 assists on 25 field goals. The Illini were 21-of-55 (38 percent) shooting.

Up next, Wisconsin begins a three-game home stand against Michigan on Sunday.