Anorthosis held 10-man Ayia Napa to a 1-1 away draw in the second leg to advance 4-3 on aggregate. They had won the first leg 3-2.
Ayia Napa were reduced to 10 men following the sending off of Stylianos Stylianou in the 64th minute.
Anorthosis subsequently capitalised on their numerical advantage, and Douglao scored from the penalty spot on 65 minute.
Omar Rowe pulled a goal back for Ayia Napa in the 90th minute, but it was not enough as Anorthosis advanced to the quarter-finals.
Reacting to the win, Abdullahi who was in action for Anorthosis in the encounter admitted they were given a scare by Ayia Napa.
“Difficult final minutes, but we survived the scare! We are through to the quarters after first leg victory,” Abdullahi wrote on his Twitter handle.