Morning leaders Challow & Childrey slipped out of the promotion places in Division 2 after collecting only three points from a heavy defeat at Banbury 2nd.
Challow were all out for 90 in no time, with Richard Brookes (6-36) and Ollie Murrey (4-44) doing all the damage.
Marc Rorich then made 32 in Banbury's 93-3, which kept them in the promotion picture.
Banbury 2nd 25pts, Challow 3
Great & Little Tew are level on points with new leaders Bourton Vale after pulling off a 25-run victory over Tiddington in a low scoring affair.
Tew could manage only 131, with most of their runs coming in an 85 run partnership for the seventh wicket between Dave Powles (50) and Lloyd Brock (41) that took them from 24-6 to 107-7.
Sam Hollingshead claimed 4-56 and Phil Pykett 3-11 for the visitors, who were 91-4 before Anthony Smith took 4-29 and they collapsed to 106 all out.
Tiddington 6, Great & Little Tew 25
Ryan Newhook took 5-46 and Edward Shaw 3-17 to bowl Bourton Vale to victory and so return their side to the top of the table.
Their hosts Sandford St Martin were all out for 84 in the 41st over, with extras making the largest single contribution of 24.
Alex Fateh (44no) then guided his side to an eight-wicket win after 24.5 overs
Sandford St Martin 2, Bourton V 25
Ed Tilley returned career-best figures of 7-15 as Long Marston were bundled out for 104 at Abingdon Vale. Only Adam Wells (33) could get going against him.
The home side were cruising to an easy win on 74-0, but Lee Beesley (3-9) helped reduce them to 94-5 before they scrambled the winning runs without further loss. James Cook top-scored for Vale with 42.
Abingdon Vale 25, Long Marston 6
Only 131 runs were scored for the loss of 17 wickets in the match between Oxford & Bletchingdon Nondescripts and visitors Hanborough, before the home side prevailed.
Matt Scrivener took 3-22 to have Hanborough in trouble, before Sanjay Vinjimoor claimed the last three wicket without conceding a run as the visitors were all out for 65.
Nondies then slumped to 26-6 against Grant Conquest (3-17), but eventually found their way to 66-7.
Nondies 25, Hanborough 7