They lie four points ahead of Hook & Newnham Basics II after posting 286-7 at Sway, who are falling away after six straight wins.
Jack Rowett (96) and Alex Nippard (79) shared a century stand for Parley, who bowled Sway out for 170, Oli Green (pictured) taking 5-17. On the downside, Sam Collins and Jack Nicholls have broken fingers.
Hook trimmed bottom of the log Shrewton (130) by three wickets, while third placed Gosport Borough owed their five-wicket win over Old Basing to Gavin King (60) and Charlie Creal (42), who put an unbroken century stand together.
Ben Ungaretti (70) and Nick Willock (54) shone for Old Basing.
Matt Branford’s 127 enabled Hursley Park to post a handsome 305-5 against Ropley, who were dismissed for 225, Rory Tennant (son of Times of London scribe Ivo) taking 4-42. John Boniface and Steve Oliphant to note.
Nico Newman, youngest of the cricketing Newman tribe of Romsey, struck a maiden hundred for OTs & Romsey but Ryde polished off their 246-8 with Kenny Rice scoring 78.
Chris Clarke and Harry Martin shared eight wickets as Longparish mowed Havant’s struggling second team down for 77.
There were wins for Alton and Andover seconds – and St Cross Symondians thirds who chased down Easton & Martyr Worthy’s 279-6 to win with three overs to spare.
Will La Fontaine Jackson made 117 for EMW. His opening partner was Johann van der Vesthuizen, who plays for the WACA Grade club Rockingham Mandurah in his native Australia.