At Fort Regent, Abbey posted 161 for four wickets in their 12 overs before dismissing Pentagon for 41.
Nigel and Peter Blackburn were undefeated for Abbey with 54 and 39 respectively while Ian Crocker contributed 41 runs.
Blackburn also returned the excellent bowling figures of two wickets for just seven runs.
JJCA I moved to within two points of the joint-leaders Rathbones Old Victorians and Jersey Seniors following a 39-run success against Farmers.
The youngsters amassed 151 for four wickets in their 12 overs before restricting Farmers to 112 for 5.
Matt Hanley, 44 not out, Sam de la Haye (24), Tom Gibbs (26 not out) and Mark Chipperfield (34 not out) were in form with the bat while Ewan Purvis claimed two wickets for 23 runs.
Dave Buxton top-scored for Farmers with 31 while Tom Gibbs took two wickets for 23 runs.
Lillies Ladies continued their weekly improvement in Division III by scoring 100 runs for the first time.
Michele Leerson again led the way with an unbeaten score of 37 as the Ladies accumulated 100 for four in 12 overs.
Durrell went on to win the match by five wickets with Adam Sutton and Dave Wright both scoring 27 not out.
Walkovers B, from a game played more, moved into joint-top position following a 96-run win against Jersey Post.
Batting first Walkers B only lost one wicket with Bradley Vautier (26), Simon Pugsley (25), Dan Cox (26) and Mark Roche (21) all unbeaten in a score of 131 for 1.
Vautier then did the damage with the ball taking three Jersey Post wickets for seven runs.
