In a one sided contest, reigning champions Lae City Dwellers thrashed newcomers Buang FC 6-0.
Goals came from Raymond Gunemba, Hobert Bika and Emmanuel Simon with each scoring a double.
In other results, Besta PNG United FC came from behind to force a 1-1 draw with Yamaros FC.
In the main game, Huawei PS United FC defeated Madang FC 1-0.
Round three will see games played in Port Moresby this weekend.