Austin Rapp had 15 points and Braeden Carrington and Owen Foxwell added 14 apiece as Wisconsin took control early with a 22-point run and rolled to an 89-42 victory over visiting Fairfield on Tuesday in Madison, Wis.
Wisconsin (3-0) pushed its lead to 38-8 with just over 6 1/2 minutes left in the first half as Fairfield missed 22 consecutive shots. The Badgers led 52-20 at the half.
Eian Elmer added 12 points for Wisconsin, which has won 22 consecutive nonconference home games dating back to 2023. No Badgers starter played more than 22 minutes.
Fairfield (1-2), picked No. 1 in the Metro Conference preseason poll, made just 5 of 34 shots (14.7%) in the first half, including 1 of 12 from beyond the arc.
Jaden Brown led Fairfield with 10 points. Declan Wucherpfennig, the Metro Conference Preseason Player of the Year who entered the contest averaging 21.0 points, had five points on 2-of-9 shooting in 25 minutes.
Wisconsin spotted Fairfield the first four points, then answered with 22 consecutive points to take control early. The Badgers hit 7 of 8 shots during the run, while the Stags missed 13 consecutive shots.
Fairfield went 6:43 without scoring before Halon Rawlins hit two free throws to halt the run and make it 22-6.
The Stags made their second shot of the game, then missed their next 22 before Nasir Rodriguez banked in a jumper from the top of the key for their first field goal in more than 13 minutes.
Wisconsin hit 17 of 28 shots for 60.7% in the decisive first half, including 6 of 11 from deep.
The Badgers used a 17-0 run in the second half to push the lead to 81-34.
Fairfield, which shot 39.8% in its first two games, finished at 19.4%, making 14 of 72 shots and just 1 of 21 from 3-point range.