Trevor Spindler took 7-31 as Wallingford walloped Bicester & North Oxford 2nd to go back to the top of the Division 5 table.
Bicester were bowled out for just 85 in reply to the home side's 165 all out, in which Colin Allen top-scored with 34 and Andrew Wingfield Digby took 5-22.
Wallingford 25pts, Bic & N Ox 2nd 5
Liam Manley took 3-12 and Andrew Proctor 3-21 as Banbury 3rd dismissed Oxford & Bletchingdon Nondescripts 2nd for 157.
Andy Haynes top-scored with 38 for Nondies, who made Banbury work hard for victory – Lee Price (3-52) helping to take five early wickets.
But Alistair Jarvis (67no) and Ross Freeman (34no) saw them to 159-5 in the 40th over.
Nondies 2nd 7, Banbury 3rd 25
Phil Atkinson (46) and Roger Podbery (40) were the mainstays of Challow & Childrey 2nd's 188-8 at Great & Little Tew 2nd, Kevin Taylor taking 3-65 from 22 overs.
Matthew Taylor then hit 53 as Tew rushed to 189-5.
Gt & L Tew 2nd 25, Challow 2nd 8
Leighton Buzzard Town 2nd racked up 316-3 after being inserted by hosts Abingdon Vale 2nd, Ben Friday (89), James Thomas (65no) and Craig Wakefield (60) all scoring quickly.
Vale were never close in reply, but Michael Howe-Davies (39) helped stave off defeat as they reached 135-7.
Abingdon V 2nd 6, Leighton 2nd 15
Chearsley are up to third after beating Bledlow Ridge 2nd by just two wickets.
Phil Brooks and Daniel Strange both scored 36, while Dave Weston took 3-49 and Marcus Hignell 3-53 in Ridge's 180-9.
James Veness then hit 56 and Weston 35 as the visitors reached 184-8, despite David Wood taking 3-33.
Bledlow R 2nd 11, Chearsley 25