Trent Frazier had 15 points and Ayo Dosunmu buried a key 3-pointer with 29 seconds remaining as Illinois held off Ohio State 63-56 Thursday for its fourth win in a row.

Dosunmu also scored 15 points and Giorgi Bezhanishvili added 13 for the Illini (10-15, 6-8 Big Ten), who won their first true road game of the season.

The loss snapped a three-game win streak for the Buckeyes (16-8, 6-7), who committed 18 turnovers leading to 14 Illini points.

Dosunmu made two free throws to give Illinois the lead for good with 8:15 to play and his 3-pointer three minutes later made it 51-46. Luther Muhammad hit two foul shots to pull the Buckeyes within three with 57 seconds left but Dosunmu, who scored nine points in the final eight-plus minutes, answered with a 3.

C.J. Jackson led Ohio State with 17 points, but he also had seven turnovers.

Brothers Kaleb and Andre Wesson contributed 11 and 10 points, respectively, as Ohio State shot just 36 percent from the field, including 15 percent (2 of 13) from beyond the arc, while missing 10 layups.

Bezhanishvili had just two points in the first half but scored Illinois’ first seven points of the second. Illinois shot 44 percent from the field.

Keyshawn Woods, who scored 18 points in Ohio State’s Dec. 5 win against Illinois, was held to just three points.

Illinois visits No. 20 Wisconsin on Monday.