Copnor A kept a firm hold on runners-up spot in Portsmouth League division one, despite drawing 6-6 at Cowplain A.
Steve Toms and Jon Sunderland worked hard to net doubles.
But they were cancelled out by Cowplain, who enjoyed braces from Neil Stewart and Steve Wilson.
Leigh Park beat Craneswater Q 8-4, with the in-form Dusty Tingley and Pete Ferguson pocketing two frames.
Third-placed Emsworth beat fourth-placed Craneswater Z 8-4.
Craneswater skipper Ian Carter led the way by notching a double, which included a 46 clearance. Aaron Brett also weighed in for the Southsea side.
But Emsworth had Greg Harding, Hugh Pollard, Gavin Mengham and skipper Chris Hardyman all winning their frames.
Champions Craneswater A beat Al’s Club 7-5, courtesy of some fine breaks.
Andy Boulton had a 53, Rob Kirby racked up a 52 and 35 and Pedro Ferguson enjoyed a visit of 51.
In the other match in the top flight, Copnor D lost 8-4 to Cowplain Z as Terry Hickley and Steve Hughes starred.
Craneswater R will have to sweat it out for the runners-up spot in division two after finishing their season with a 7-5 win over Bellair B.
Paul Jagger got Bellair off to a fine start with a brace but Craneswater’s Andy Carter and Harry Yard carried their team over the line.
Copnor E won a close battle against Cowplain 7-5.
Terry Lees and Terry Fuggle won their games but they were cancelled out by the ever-reliable John Oldfield and Norman Bradfield.
However, Copnor E skipper John won his match – which went on to 11.45pm – to smatch the victory.
SESA Broadoak have got through to the semi-finals of the Peter Rook Cup but couldn’t make it a winning double as they went down 8-4 to division two champions Bellair A.
The match was all square until Jim Hutton beat Gerry Wheeler. Alan Smith then won his two frames to take Bellair to the title.
Alexandra Bowls beat Portchester X 7-5 as Ian Cotton and Alan Freemantle recorded doubles. They were backed up by team-mate Karl Davies.
Copnor Xcels kept alive their hopes of clinching second place in division three with a 9-3 victory over runaway leaders Pompey Royals.
Jason Orchard was the only highlight for the Royals as he won his two frames, while John Challacombe made a 31 break.
Xcels powered back thanks to the likes of Tony Horten, Wayne Laxton and Kevin Figgins.
Copnor Cuestars beat Cowplain C 8-4 despite Ray Axton winning two frames on the black for the hosts.
Chloe White, Pascal Richard and Daniel Compton, who made a 31 break, all won their games to give Cuestars a third win of the season.
In the other match, Copnor F lost out to Cowplain B 7-5.
Will Garrett and James Curtis were victorious in each of their two frames to help the Cowplain side over the winning line.