Odion Ighalo found the back of the net for Al Shabab in the win against Spanish side Algeciras on Thursday.
Ighalo sealed the victory for the Saudi side with a 61st minute winner in a five-goal thriller.
The 32 year-old is heading into his second season with the club and has been in good form this pre-season.
He netted twice in the draw against Rayo Vallecano in the first pre-season game.
Péricles Chamusca’s side kick off their season with Premier League fixture on the road, they face Abha Club on August 12.