Al Arouba, the defending OPL champion, will begin its title defence with an away game as it takes on hosts Salalah at the Saada Sports Complex on August 20, a day after the 2015-16 OPL begins.
The OPL will kick off on August 19 with three games.
Al Nahda will host Al Musannah in the league-opener at the Buraimi Sports Complex; last season’s No 4 Fanja will meet promoted Muscat Club at the Seeb Sports Stadium; and defending No 3 finisher Al Nasr will play host to Al Suwaiq in Salalah.
In other games scheduled on August 20, Saham takes on Al Khabourah at the Sohar Sports Complex followed by a game between Sur and Sohar at the same venue.
In addition Al Shabab locks horns with Dhofar at the Seeb Sports Stadium.