Al Shamal led for more than 35 minutes of the game as they won all quarters and rarely faced any trouble.
Al Shamal were 22-19 ahead after the first quarter but and kept on increasing their lead as the match progressed to eventually seal a comfortable win.
For Al Khor, Khobi Williamson scored 25, while Issac Mack and Dominique Lacy had 17 and 16, respectively.
In another match, Al Gharafa put it past Al Sadd 88-73 with Sammy Monroe top-scoring for the winners with 29.
Al Sadd led 22-19 after the first quarter but Al Gharafa established control after that and never looked back.
Abdulrahman Saad with 23 and Travis Franklin with 21 also excelled for Al Gharafa.
For Al Sadd, captain Mustafa Fouda scored 22 and Darrius Oldham 19.