Al-Nassr, who won last week's first leg 1-0 thanks to a Ronaldo goal nine minutes from time, were the better side at Al Awwal Park and took the lead on 17 minutes through Portuguese winger Otavio. The former Porto star, who joined Nassr last summer, headed home from close range to score in his second successive game for the club.
His compatriot, Ronaldo, looked set to endure a frustrating night personally, with the Portugal captain having a number of penalty appeals turned down and, not long into the second half, a goal disallowed for offside.
Finally Fayha goalkeeper Vladimir Stojkovic really should have dealt with the situation but could only kick his attempted clearance off the onrushing Ronaldo. The ball fell invitingly for Ronaldo to tap into the empty net.
It marked the former Manchester United, Real Madrid and Juventus forward's 10th goal in his past nine matches for Nassr.