After the end of the 23rd round of matches on Sunday, former winner Al Suwaiq (44 points) held a slender one-point lead over defending champion Al Arouba, while eight-time winner Fanja (42 pts) also trails by a point.
Suwaiq and Arouba won their respective matches in the last round, while Fanja was held to a goalless draw by hosts Dhofar at the Al Saada Sports Complex on Sunday.
Suwaiq was in dominating form as it trounced Saham 3-1 at the Sohar Sports Complex on Saturday, while hosts Al Arouba kept up the pressure on the league leader with a 3-0 triumph over Al Shabab at the Sur Sports Complex.
In the other matches played, Muscat blanked Al Mussanah 2-0 and Sohar routed Al Nahda 3-0. Also, Sur held Al Nasr 2-2 at home, while Al Khabourah ran away as 4-0 victor against bottom-placed Salalah.
Standings: 1 Al Suwaiq (44 pts), 2 Al Arouba (43), 3 Fanja (42), 4 Al Nasr (34), 5 Sohar (32), 6 Dhofar (32), 7 Al Nahda (31), 8 Saham (30), 9 Muscat (27), 10 Al Khabourah (26), 11 Al Mussanah (25), 12 Al Shabab (22), 13 Sur (21), 14 Salalah (14).