Felix scored a hat-trick for Al Nassr in the 3rd minute, the 10th minute, and the 8th minute of stoppage time in the second half, while his compatriot Cristiano Ronaldo added a goal in the 75th minute.
Belgian Yannick Carrasco scored for Al Shabab in the 30th minute, and defender Ali Al-Bulaihi added the second goal in the 80th minute.
The win lifted Al Nassr to 82 points at the top of the table, five points ahead of second-placed Al Hilal, who still have a game in hand, before the clash between the two sides next Tuesday.
As for Al Shabab, they continue to struggle in a disappointing season, sitting 13th with 32 points.
