Veteran left-arm seamer Paul Humphreys took 4-32 to drive Aston Rowant to victory over Banbury Twenty and a return to top spot in Division 1.
Put in to bat, Twenty could manage only 177-8, of which Tim Pearce contributed 41 and Mark Haupt 35.
Rowant always looked like winning with ease once Alex Jewell (39) gave them a decent start, and so it proved as Tim Morgan's 66 not out secured an eight-wicket win.
Aston Rowant 25pts, Banbury Twenty 5
Oxford Downs skipper Wes Bartlett hit 94 in his side's five-wicket home success over morning leaders Bicester & North Oxford.
Bartlett, who had missed his side's poor performance at Cumnor the previous week, was supported by Frankie Crouch (39) as Downs successfully chased Bicester's 213-6, despite the best efforts of Paul Jeacock (4-55).
The visitors' innings had been built around a solid 40 from Darryl Woods and a more aggressive 89 by Duncan Bradshaw.
Oxford Downs 25, Bicester & North Oxford 9
Horspath and Cumnor played out a repeat of their recent National Village KO Cup Oxfordshire final, with the visitors again coming out on top in a flurry of sixes.
Chris Penner (65) and Robbie Eason (55) set Horspath on their way to a decent total before a blistering 83 off 51 balls by Eason's younger brother, Will, took them to a mammoth 270-6.
Dan Gaunt captured 4-70 for Cumnor, who got off to a flier thanks to an 110-run opening partnership between Ali Morteza (56) and Andrew Robertson (54).
Sam Jones (32no) was then the six-hitting hero as Cumnor got home with four wickets and four balls to spare.
Horspath 11, Cumnor 25
Bottom club Great & Little Tew had the better of a draw for the second week running, this time against Banbury 2nd.
Put in to bat, Tew reached 195-9 thanks to a good team effort that included scores of 30 from Jack Taylor and Shane Faulkner.
Anthony Smith (3-46) and Lloyd Brock (3-38) then put Banbury behind the clock, and despite 79 from Wayne Hazell, they closed on 176-7.
Banbury 2nd 10,Great & Little Tew 13
Jon Hartley's 102 was in vain for Shipton-under-Wychwood at home to Oxford 2nd.
Batting first, Oxford had managed 228-7 led by Patrick Jobson (53), Jonny Evans (48) and the eccentric Tim Marcon (42).
Hartley kept Shipton in with a shout, but they fell agonisingly short on 226-7.
Shipton 15, Oxford 2nd 10
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