Veteran Alan Williams took 7-33 as Witney Swifts beat Westcott by 47 runs in the Telegraph Cup second round.
Williams's spell sent Westcott crashing to 106 all out.
He had earlier hit 32 in Swifts 163 all out, Rob Pratley scoring 46.
With the ball, he then claimed 7-33 from 12 overs as Westcott fell to 106 all out.
Broughton & North Newington crushed West Witney by nine wickets.
Andy Parsons took 6-10 as West Witney were shot out for 47. And Broughton took just 7.3 overs to reach the target, Andy Cross 38 not out.
Aaron Hirtenstein's 6-15 helped Oxenford to a 42-run victory over West Ilsley in a low-scoring affair.
Britwell Salome saw off Wootton & Boars Hill by 59 runs.
Geoff Herbert scored 76 not out in Britwell's 187-6, before Neil Lawrence (4-29) and Andy Wagerfield (3-17) bowled Wootton out for 128.
Charlie Thomas (50) laid the foundations for Fringford's 230 all out against Hailey.
John Bacon then took 4-14 as Hailey fell to 114 all out.
Former Zimbabwean Test player Neil Ferreira scored 119 to help Northleach Town to a 114-run victory at home to Combe.
In the Keith Crump Centenary Cup second round, Graeme Woodward took 5-25 as Witney Swifts 2nd raced to a nine-wicket victory at home to Britwell Salome.
The visitors scored only 74, and Swifts knocked off the runs in 12.4 overs.
They will meet Charlbury 3rd in the last eight after they bowled out Deddington 2nd for 114 for a two-wicket win.
Brill 2nd crushed Oxford Rescue 2nd by 170 runs.
Jeremy Mansfield (81) and Colin Young (60) helped Brill to 224-9, before Tom Young (4-24) and Alan Guntrip (3-8) dismissed Rescue for 54.
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