Aston Rowant went top of the table in Division 1 after crushing Great & Little Tew, who stay bottom, by 84 runs.
Put in to bat, Rowant managed 190-6 from their 52 overs, opener Alex Jewell leading the way with 54. Tew's promising all rounder, Jack Taylor, took 3-41.
Wes Morrick (4-26) and captain Simon Bird (3-29) then proved too good for Tew's batting line up as they subsided to another below-par total of 106 all out.
Great & Little Tew 3pts, Aston Rowant 25
A captain's innings from Dave Clark took Banbury Twenty to their third win in a row, with Bicester & North Oxford their latest victims.
Clark struck an unbeaten 61 as his side wobbled in pursuit of Bicester's 157 all out before finally closing out victory by three wickets.
Earlier, Darryl Woods had top-scored with 55 in the home side's innings, while left-arm spinner Steve Hart starred with the ball, taking 5-34.
Bicester & North Oxford 9, Banbury XX 25
A stirring comeback by Cumnor's young side almost brought them an unlikely win over Oxford 2nd.
Chasing Cumnor's 219 all out, Oxford were apparently cruising to victory on 143-1 after Tim Marcon hit 47 and with Tom Fox going well.
But Fox (97) was among eight Oxford batsmen to get out in a dramatic collapse, which ended with the visitors playing out the last two overs for a draw.
Earlier Jamie Douglas had hit a stylish 51 for the hosts.
Cumnor 16, Oxford 2nd 12
Dickon Morris compiled a patient 111 as Shipton-under-Wychwood capitalised on winning the toss by racking up 278-6 dec in 51 overs at Horspath.
Morris was supported by Chris Panter, who crashed 53 as Shipton made 112 in the final ten overs, 24 of them coming off the last.
Horspath were never in the hunt in reply, but opener Chris Penner hung around for 45 overs in scoring 93, and although seven Shipton bowlers took wickets, the hosts reached 201-8.
Horspath 8, Shipton-under-Wychwood 16
Richard West took 6-39 from 16 overs as Oxford Downs bowled out Banbury 2nd for 144.
Only Andrew Sabin (33) showed much form with the bat, while Chris Sandbach (3-33) also enjoyed some success.
Downs did not have it all their own way after tea, but Frankie Crouch's 47 helped them to 145-6 and maximum points.
Banbury 2nd 8, Oxford Downs 25
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