Ascot defeated Naggo Head Primary 8-5 to top the Portmore group in the Institute of Sports/St Catherine Primary Netball League on Wednesday.
Both Ascot and Naggo Head advanced to the quarter-finals.
Teams joining the Portmore pair in the next round are defending champion Cedar Valley, Friendship, Ginger Ridge, Ensom City, Polly Ground, and Kitson Town.
In other games played on Thursday, Simon defeated McAuley 9-2, Kitson Town clipped Horizon Park 10-9, Good Hope beat Homestead 6-4 and Ewarton got by Rosemount 5-1.