DeMar DeRozan scored 26 points against his former team, including 11 in the final period, Zach LaVine had 22 points and the Chicago Bulls opened a season with four straight wins for the first time since 1996-97, holding off the Toronto Raptors 111-108 on Monday night.

DeRozan scored four of Chicago's final five points as the Bulls survived a late Toronto challenge.

Nikola Vucevic scored 17 points and Lonzo Ball had 15 as the Bulls won their fourth straight meeting with Toronto. Ball shot 5 for 9 from 3-point range.

Toronto's Fred VanVleet scored 15 points and set a career high with 17 assists. Precious Achiuwa had 11 points and 11 rebounds for the Raptors, and rookie Scottie Barnes scored 13 points.

Chicago opened a 20-point lead less than three minutes into the second half and was up 97-86 with 7:57 left in the fourth, but Anunoby scored the final five points in a 9-0 Toronto run as the Raptors cut it to 97-95 with 4:49 to go.

DeRozan sandwiched jump shots around a pair of free throws from Alex Caruso as the Bulls answered with a 6-0 spurt to take a 103-95 lead with 3:27 to play.

Barnes scored off a Bulls turnover with 15 seconds left, cutting it to 110-108. Vucevic missed the first of two free throws, ending Chicago's streak of 20 consecutive makes, but hit the second to put the Bulls up by three. VanVleet missed a potential game-tying shot at the buzzer.

Six different Raptors made a 3-pointer in the second quarter, but Ball made three of his own as Chicago outscored Toronto 37-27 to lead 61-51 at halftime.

LaVine scored 13 points in the third as the Bulls took a 92-80 lead to the final quarter.

Chicago shot 21 for 22 at the free throw line, led by a 10-for-10 performance from DeRozan.

Troy Brown Jr. scored 11 points for the Bulls.

Bulls host the New York Knicks on Thursday night.