Scott Compton led by example as Copnor A beat Craneswater Q 8-4.
He knocked in a smart 72 in the Portsmouth League division one triumph.
But his side have little chance of catching runaway leaders Craneswater A.
Jon Sunderland hit a 45 to add to wins by Ant Lacey and Kev Harding.
Matt Small kept the score down with a brace against Steve Toms.
Craneswater A stretched their lead to more than 20 points with an emphatic 10-2 win at Emsworth.
Steve Cole, Tony Hanford, Mike Talmondt and Pedro Ferguson all found it easy.
Arthur Newland, Mark Turner and Nigel Ward gave Craneswater Z a narrow 7-5 win over Leigh Park.
Richie Burnett and Big Mark Raynor served the Havant cause with doubles.
Al’s Club also scraped a win against Cowplain.
Mark Kingswell, Matt Hannam and Ashley Bendall grabbed the glory.
Division two leaders Cowplain Z suffered as Alan Smith and Lee Harding gave Bellair a 7-5 verdict.
Gary More ran in a 42 as Craneswater pipped Cowplain Gas.
Chris Davies and Harry Yard also helped before Paul Lees and Terry Fuggle hit back.
Charlie Cripps, Karl Turp and Andy Macey were on song for Portchester X.
Tony Horten and Andy Chambers (44) could not save Copnor Xcels from defeat.
Copnor D will probably land the runners-up spot.
Andy Hall and Barry Mihell earned them an 8-4 win against Bellair B.
Alexandra Bowls are two points ahead in the division three title race.
Matt Power and Matt Sheath got them over the line for a 7-5 win at Leigh Park.
Broadoak and Copnor E both drew 6-6 scorelines after being tested by Cuestars and North End respectively.
Pascal Richard and Luke Dixon were on target for the youngsters, while Colin Elliott and Mike Dorey played similar roles for the bowlers.
Post Office and Carlton also finished even. Jamie Farrow and Wade Turnbull delivered for the Posties but Mel Davis and Geoff Oakes hit back.
Title-rivals Cuestars B and Copnor F both recorded 8-4 wins in division four, with Chloe White, Ash Ablett and Sam Laxton starring for the former against Castle Heating.
Cowplain B crushed Topspot 10-2 and Pompey Royals nicked a narrow 7-5 win at Craneswater.