Generation Aces thrashed Charter Blue with a hat-trick of hat-tricks.
Billy Ho, Letitia McMullan and Mike Rhodes all chalked up trebles in the division one clash which ended 10-0.
Portsmouth Orange also won 10-0 against Phoenix Perseus, with Adam Proszko, Pete Boniface and Miki Sinanan all on song.
Cowplain Blue won 7-3 against Knowle Rovers, with three wins by Pete Woodacre.
Generation Jacks drew with club-mates Kings.
Paul May scored a hat-trick for the latter, while Lee Mullett was the key man for Jacks with two.
Portsmouth Purple are running away with division two after an eighth straight win.
They beat Sporting St Clares 7-3 as Jimmy Yeung and Martin Matuzevicius served up hat-tricks.
Cowplain Cobras went second by beating Portsmouth Black 7-3, with John Amey weighing in with three.
Knowle Green, meanwhile, defeated club-mates Tenacity by the same score thanks to a John Wildig treble.
Phoenix Saturn and Avenue Puffins shared the spoils.
Ricky Hensman was unbeaten for Puffins.
Cowplain Alexandra won 8-2 at PW Blue, courtesy of a Chris Corner maximum.
In division three, Cowplain Neptune are clear at the top.
They beat Eastoke Cougars 8-2 with three each for Steve Long and Dave Wiles.
Charter Green are second after beating St Clares Grasshoppers 8-2, with trebles by George Lush and Pete Grubb.
PW Red won 7-3 against Cowplain Emerald, courtesy of hat-tricks by Phil Beal and Colin Miller.
Phoenix Satellites beat Portsmouth Crimson 6-4 with an unbeaten Andy Tiller.
PW Black edged out Phoenix Jacks 6-4 despite a treble from Dave Osterman.
Chris Whatley, Pete McWilliam and Pete Higgins all won two apiece for Black.
Steve Waterson’s hat-trick saw Cowplain Crimson defeat Avenue Toucans 6-4 in the fourth flight.
Knowle Yellow won 8-2 at Lovedean with Fred Dowding and Roland Grant unbeaten.
Portsmouth Cherry helped their promotion prospects by beating Portsmouth Indigo 7-3 in division five. Viv Mattingly and Dave Dobbin got trebles.