Barry Grant bludgeoned 118 not out as Banbury Twenty 2nd overpowered Challow & Childrey 2nd by the massive 170 runs.
Twenty declared on 250-2 and then dismissed Challow for just 80.
TV sports presenter Mike Wedderburn took 6-11.
Banbury XX 2nd 25, Challow 2nd 0.
Former Oxfordshire all-rounder Luke List, making a rare appearance for Oxford Downs 2nd, took 3-35 and hit 39 in his side's four wicket win at Shipton-under- Wychwood 2nd.
A good team effort saw Shipton reach 220-8, which Downs passed in the 45th over of their reply, thanks to List and Steve Roberts (40) and Matty Watts (31).
Shipton 2nd 10, Oxford Downs 2nd 25.
Twyford's Adam Bone took six wickets for two runs as Chearsley slumped from 68-3 to 78 all out.
Tanveer Nadeem then scored an unbeaten 44 as the visitors cruised to a nine-wicket win.
Chearsley 1, Twyford 25.
Daniel Ball (60) and Adam Swan (51) were the main contributors in Kimble's 199-7 at Stokenchurch.
Arshad Latif took 4-32 for the home side, who then scored quickly in reaching 203-6 from 41.1 overs, Karl Penhale top scoring with 40 while Adrian Rose took 4-82.
Stokenchurch 25, Kimble 10.
Paul Strong's unbeaten 112 took Princes Risborough to 232-2 at Buckingham Town 2nd.
Andy Hitchcock then took 5-49 to end Town's hopes of victory, but 32 apiece from Andy Thatcher and Graham Judd and a resilient tail saw the hosts hang on at 141-8.
Buckingham 2nd 5, P Risborough 16.
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